The invention of the common mathematical calculation layout known as the matrix determinants was developed independently by whom? MCQ with Answer and Explanation

Question

The invention of the common mathematical calculation layout known as the matrix determinants was developed independently by whom?

A. Blaise Pascal

B. Isaac Newton

C. Gottfried Wilhelm Leibniz and Seki Takakazu

D. René Descartes

Answer: Option C

Solution (By JKSSB Mock Tests)

Leibniz and Japanese mathematician Seki Takakazu independently developed algebraic determinant patterns to resolve linear simultaneous groupings.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The invention of the common matchstick containing phosphorus triggered by friction was developed by whom?

A. John Walker

B. Humphry Davy

C. Antoine Lavoisier

D. Robert Boyle

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Correct Answer: Option A

Explanation:
English chemist John Walker invented the first friction match in 1826 by coating cardboard or wooden splints with sulfide pastes.

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Question #2

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The invention of the common mechanical device known as the industrial centrifugal cream separator was patented by whom?

A. James Watt

B. Gustaf de Laval

C. Cyrus McCormick

D. Eli Whitney

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Correct Answer: Option B

Explanation:
De Laval patented the high-speed continuous centrifugal cream separator in 1878, streamlining commercial dairy production.

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Question #3

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Who discovered that white light is a mixture of seven fundamental component colors using a prism?

A. Isaac Newton

B. Thomas Young

C. James Clerk Maxwell

D. Christian Huygens

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Correct Answer: Option A

Explanation:
Sir Isaac Newton proved through prism experiments that white light decomposes into a continuous spectrum of colors.

This question belongs to: Static General Knowledge Inventions and Discoveries

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