यदि \(p=\sqrt{2}+\sqrt{3}\) और \(q=\sqrt{3}-\sqrt{2}\), तो (pq) का मान क्या है?
If \(p=\sqrt{2}+\sqrt{3}\) and \(q=\sqrt{3}-\sqrt{2}\), what is the value of (pq)?
Explanation opens after your attempt
Correct Answer
A. (1)
Concept
Here (pq=\(\sqrt{3}+\sqrt{2}\)\(\sqrt{3}-\sqrt{2}\)=3-2=1). In exams, use ((a+b)(a-b)=a^{2}-b^{2}).
Why this answer is correct
The correct answer is A. (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}).
Exam Tip
(pq=\(\sqrt{3}+\sqrt{2}\)\(\sqrt{3}-\sqrt{2}\)=3-2=1)। परीक्षा में ((a+b)(a-b)=a^{2}-b^{2}) का प्रयोग करें।
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