यदि \(q=\sqrt{7}+3\) है तो \(q^2-6q\) का मान क्या है?
If \(q=\sqrt{7}+3\), what is the value of \(q^2-6q\)?
Explanation opens after your attempt
A. (-2)
Concept
\(q^2=16+6\sqrt{7}\) and \(6q=18+6\sqrt{7}\). Subtracting gives (-2).
Why this answer is correct
The correct answer is A. (-2). \(q^2=16+6\sqrt{7}\) and \(6q=18+6\sqrt{7}\). Subtracting gives (-2).
Exam Tip
\(q^2=16+6\sqrt{7}\) और \(6q=18+6\sqrt{7}\) है। घटाने पर (-2) मिलता है।
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