यदि \(x^2-20x+96=0\) के मूल \(\alpha,\beta\) हैं, तो (\(\alpha-8\)\(\beta-8\)) का मान क्या है?
If \(\alpha,\beta\) are roots of \(x^2-20x+96=0\), what is (\(\alpha-8\)\(\beta-8\))?
Explanation opens after your attempt
A. (0)
Concept
(\(\alpha-8\)\(\beta-8\)=\alpha\beta-8\(\alpha+\beta\)+64). Here (96-160+64=0).
Why this answer is correct
The correct answer is A. (0). (\(\alpha-8\)\(\beta-8\)=\alpha\beta-8\(\alpha+\beta\)+64). Here (96-160+64=0).
Exam Tip
(\(\alpha-8\)\(\beta-8\)=\alpha\beta-8\(\alpha+\beta\)+64) है। यहाँ (96-160+64=0)।
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