Madhava of Sangamagrama's Series Expansions

Description: Test your knowledge on the mathematical contributions of Madhava of Sangamagrama, a renowned Indian mathematician who lived in the 14th century and is considered one of the pioneers of calculus.
Number of Questions: 15
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Who is known as the founder of the Kerala School of Astronomy and Mathematics?

  1. Aryabhata

  2. Bhaskara II

  3. Madhava of Sangamagrama

  4. Srinivasa Ramanujan


Correct Option: C
Explanation:

Madhava of Sangamagrama is credited with founding the Kerala School of Astronomy and Mathematics, which made significant contributions to mathematics, particularly in the area of series expansions.

What is the name of the series expansion developed by Madhava of Sangamagrama for the sine function?

  1. Madhava's Sine Series

  2. Madhava-Gregory Series

  3. Taylor Series

  4. Fourier Series


Correct Option: A
Explanation:

Madhava of Sangamagrama developed a series expansion for the sine function, known as Madhava's Sine Series, which is considered a precursor to the modern Taylor Series.

Which of the following is an example of a series expansion used by Madhava of Sangamagrama?

  1. $$\sin x = x - \frac{x^3}{3!} + \frac{x^5}{5!} - \frac{x^7}{7!} + \cdots$$

  2. $$\cos x = 1 - \frac{x^2}{2!} + \frac{x^4}{4!} - \frac{x^6}{6!} + \cdots$$

  3. $$\tan x = x + \frac{x^3}{3} + \frac{2x^5}{15} + \frac{17x^7}{315} + \cdots$$

  4. All of the above


Correct Option: D
Explanation:

Madhava of Sangamagrama developed series expansions for various trigonometric functions, including sine, cosine, and tangent.

What is the significance of Madhava's series expansions in the development of calculus?

  1. They provided a method for approximating the values of trigonometric functions.

  2. They laid the foundation for the concept of limits.

  3. They allowed for the calculation of derivatives and integrals.

  4. All of the above


Correct Option: D
Explanation:

Madhava's series expansions had far-reaching implications in the development of calculus, contributing to the understanding of trigonometric functions, limits, derivatives, and integrals.

Madhava of Sangamagrama's work on series expansions was rediscovered by which European mathematician?

  1. Isaac Newton

  2. Gottfried Wilhelm Leibniz

  3. Leonhard Euler

  4. Pierre-Simon Laplace


Correct Option:
Explanation:

Madhava's work on series expansions was rediscovered in the 17th century by the Scottish mathematician John Gregory, who published it in his book 'Vera Circuli et Hyperbolae Quadratura'.

What is the name of the series expansion developed by Madhava of Sangamagrama for the arctangent function?

  1. Madhava's Arctangent Series

  2. Madhava-Gregory Arctangent Series

  3. Taylor Series for Arctangent

  4. Fourier Series for Arctangent


Correct Option: A
Explanation:

Madhava of Sangamagrama also developed a series expansion for the arctangent function, known as Madhava's Arctangent Series.

Which of the following is an example of a series expansion used by Madhava of Sangamagrama for the arctangent function?

  1. $$\tan^{-1} x = x - \frac{x^3}{3} + \frac{x^5}{5} - \frac{x^7}{7} + \cdots$$

  2. $$\tan^{-1} x = x - \frac{x^3}{3!} + \frac{x^5}{5!} - \frac{x^7}{7!} + \cdots$$

  3. $$\tan^{-1} x = x + \frac{x^3}{3} + \frac{2x^5}{15} + \frac{17x^7}{315} + \cdots$$

  4. None of the above


Correct Option: A
Explanation:

Madhava of Sangamagrama developed a series expansion for the arctangent function, which is given by $$\tan^{-1} x = x - \frac{x^3}{3} + \frac{x^5}{5} - \frac{x^7}{7} + \cdots$$. This series converges for (|x| \leq 1).

What is the significance of Madhava's series expansions in the development of modern mathematics?

  1. They provided a foundation for the development of calculus.

  2. They contributed to the understanding of infinite series and convergence.

  3. They influenced the work of later mathematicians, such as Newton and Leibniz.

  4. All of the above


Correct Option: D
Explanation:

Madhava's series expansions had a profound impact on the development of modern mathematics, providing a basis for calculus, advancing the study of infinite series and convergence, and inspiring the work of subsequent mathematicians.

Which of the following is an example of a series expansion used by Madhava of Sangamagrama for the cosine function?

  1. $$\cos x = 1 - \frac{x^2}{2!} + \frac{x^4}{4!} - \frac{x^6}{6!} + \cdots$$

  2. $$\cos x = x - \frac{x^3}{3!} + \frac{x^5}{5!} - \frac{x^7}{7!} + \cdots$$

  3. $$\cos x = 1 + \frac{x^2}{2} + \frac{x^4}{4} + \frac{x^6}{6} + \cdots$$

  4. None of the above


Correct Option: A
Explanation:

Madhava of Sangamagrama developed a series expansion for the cosine function, which is given by $$\cos x = 1 - \frac{x^2}{2!} + \frac{x^4}{4!} - \frac{x^6}{6!} + \cdots$$. This series converges for all (x).

What is the name of the series expansion developed by Madhava of Sangamagrama for the tangent function?

  1. Madhava's Tangent Series

  2. Madhava-Gregory Tangent Series

  3. Taylor Series for Tangent

  4. Fourier Series for Tangent


Correct Option: A
Explanation:

Madhava of Sangamagrama also developed a series expansion for the tangent function, known as Madhava's Tangent Series.

Which of the following is an example of a series expansion used by Madhava of Sangamagrama for the tangent function?

  1. $$\tan x = x + \frac{x^3}{3} + \frac{2x^5}{15} + \frac{17x^7}{315} + \cdots$$

  2. $$\tan x = x - \frac{x^3}{3!} + \frac{x^5}{5!} - \frac{x^7}{7!} + \cdots$$

  3. $$\tan x = 1 + \frac{x^2}{2} + \frac{x^4}{4} + \frac{x^6}{6} + \cdots$$

  4. None of the above


Correct Option: A
Explanation:

Madhava of Sangamagrama developed a series expansion for the tangent function, which is given by $$\tan x = x + \frac{x^3}{3} + \frac{2x^5}{15} + \frac{17x^7}{315} + \cdots$$. This series converges for (|x| \leq \frac{\pi}{4}).

What was the main motivation behind Madhava of Sangamagrama's work on series expansions?

  1. To develop a method for accurately calculating trigonometric ratios.

  2. To investigate the properties of infinite series.

  3. To solve problems in astronomy and mathematics.

  4. All of the above


Correct Option: D
Explanation:

Madhava of Sangamagrama's work on series expansions was driven by a combination of motivations, including the desire to accurately calculate trigonometric ratios, explore the nature of infinite series, and solve problems in astronomy and mathematics.

Which of the following is an example of a series expansion used by Madhava of Sangamagrama for the sine function?

  1. $$\sin x = x - \frac{x^3}{3!} + \frac{x^5}{5!} - \frac{x^7}{7!} + \cdots$$

  2. $$\sin x = x + \frac{x^3}{3} + \frac{2x^5}{15} + \frac{17x^7}{315} + \cdots$$

  3. $$\sin x = 1 + \frac{x^2}{2} + \frac{x^4}{4} + \frac{x^6}{6} + \cdots$$

  4. None of the above


Correct Option: A
Explanation:

Madhava of Sangamagrama developed a series expansion for the sine function, which is given by $$\sin x = x - \frac{x^3}{3!} + \frac{x^5}{5!} - \frac{x^7}{7!} + \cdots$$. This series converges for all (x).

What is the name of the series expansion developed by Madhava of Sangamagrama for the arccosine function?

  1. Madhava's Arccosine Series

  2. Madhava-Gregory Arccosine Series

  3. Taylor Series for Arccosine

  4. Fourier Series for Arccosine


Correct Option: A
Explanation:

Madhava of Sangamagrama also developed a series expansion for the arccosine function, known as Madhava's Arccosine Series.

Which of the following is an example of a series expansion used by Madhava of Sangamagrama for the arccosine function?

  1. $$\cos^{-1} x = \frac{\pi}{2} - x + \frac{x^3}{2\cdot3} - \frac{x^5}{2\cdot4\cdot5} + \frac{x^7}{2\cdot4\cdot6\cdot7} + \cdots$$

  2. $$\cos^{-1} x = \frac{\pi}{2} - x - \frac{x^3}{2\cdot3} - \frac{x^5}{2\cdot4\cdot5} - \frac{x^7}{2\cdot4\cdot6\cdot7} + \cdots$$

  3. $$\cos^{-1} x = \frac{\pi}{2} + x + \frac{x^3}{2\cdot3} + \frac{x^5}{2\cdot4\cdot5} + \frac{x^7}{2\cdot4\cdot6\cdot7} + \cdots$$

  4. None of the above


Correct Option: A
Explanation:

Madhava of Sangamagrama developed a series expansion for the arccosine function, which is given by $$\cos^{-1} x = \frac{\pi}{2} - x + \frac{x^3}{2\cdot3} - \frac{x^5}{2\cdot4\cdot5} + \frac{x^7}{2\cdot4\cdot6\cdot7} + \cdots$$. This series converges for (|x| \leq 1).

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