Which option is the value of ((\sqrt{11}+\sqrt{5})^2-(\sqrt{11}-\sqrt{5})^2)?

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Answer and explanation

Correct answer: (4\sqrt{55})

By identity the difference is (4ab), where (a=\sqrt{11}) and (b=\sqrt{5}). So the answer is (4\sqrt{55}).

What is the correct answer to this question?

(4\sqrt{55})

Why is this the correct answer?

By identity the difference is (4ab), where (a=\sqrt{11}) and (b=\sqrt{5}). So the answer is (4\sqrt{55}).

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.

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