If (p=\sqrt{2}+\sqrt{3}) and (q=\sqrt{3}-\sqrt{2}), what is the value of (pq)?

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Answer and explanation

Correct answer: (1)

Here (pq=(\sqrt{3}+\sqrt{2})(\sqrt{3}-\sqrt{2})=3-2=1). In exams, use ((a+b)(a-b)=a^{2}-b^{2}).

What is the correct answer to this question?

(1)

Why is this the correct answer?

Here (pq=(\sqrt{3}+\sqrt{2})(\sqrt{3}-\sqrt{2})=3-2=1). In exams, use ((a+b)(a-b)=a^{2}-b^{2}).

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Operations on real numbers and the laws of exponents.

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