((7x+6)(7x-6)) का सरल रूप क्या है?
What is the simplified form of ((7x+6)(7x-6))?
Explanation opens after your attempt
A. \(49x^2-36\)
Concept
((a+b)(a-b)=a-2-b-2). Here (a=7x) and (b=6).
Why this answer is correct
The correct answer is A. \(49x^2-36\). ((a+b)(a-b)=a-2-b-2). Here (a=7x) and (b=6).
Exam Tip
((a+b)(a-b)=a-2-b-2) है। यहाँ (a=7x) और (b=6) हैं।
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