यदि (p(x)=x-2-8x+15), तो शून्यकों के वर्गों का योग क्या है?
If (p(x)=x-2-8x+15), what is the sum of squares of its zeroes?
Explanation opens after your attempt
A. (34)
Concept
If the zeroes are \(\alpha,\beta\), then \(\alpha+\beta=8\) and \(\alpha\beta=15\). (\alpha-2+\beta-2=\(\alpha+\beta\)2-2\alpha\beta=64-30=34).
Why this answer is correct
The correct answer is A. (34). If the zeroes are \(\alpha,\beta\), then \(\alpha+\beta=8\) and \(\alpha\beta=15\). (\alpha-2+\beta-2=\(\alpha+\beta\)2-2\alpha\beta=64-30=34).
Exam Tip
यदि शून्यक \(\alpha,\beta\) हैं, तो \(\alpha+\beta=8\) और \(\alpha\beta=15\)। (\alpha-2+\beta-2=\(\alpha+\beta\)2-2\alpha\beta=64-30=34)।
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