यदि \(z=\sqrt{29}-\sqrt{18}\) है तो \(z^2\) का मान कौन-सा है?
If \(z=\sqrt{29}-\sqrt{18}\), which is the value of \(z^2\)?
Explanation opens after your attempt
C. \(47-2\sqrt{522}\)
Concept
(\(\sqrt{29}-\sqrt{18}\)2=29+18-2\sqrt{522}). Keep the middle term negative.
Why this answer is correct
The correct answer is C. \(47-2\sqrt{522}\). (\(\sqrt{29}-\sqrt{18}\)2=29+18-2\sqrt{522}). Keep the middle term negative.
Exam Tip
(\(\sqrt{29}-\sqrt{18}\)2=29+18-2\sqrt{522}) है। मध्य पद का चिन्ह ऋणात्मक रखें।
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