यदि \(z=\sqrt{17}\) है तो \(z^2-9\) का मान क्या है?
If \(z=\sqrt{17}\), what is the value of \(z^2-9\)?
Explanation opens after your attempt
B. (8)
Concept
\(z^2=17\), so \(z^2-9=8\). First square the given radical.
Why this answer is correct
The correct answer is B. (8). \(z^2=17\), so \(z^2-9=8\). First square the given radical.
Exam Tip
\(z^2=17\), इसलिए \(z^2-9=8\) है। पहले दिए गए मूल का वर्ग करें।
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