Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Differential Calculus Evaluation of derivatives
The derivative of cos–1(2x2 – 1) w.r.t. cos–1x is
1
2
2
\(\rm\frac{−1}{2 \sqrt{1−x^2}}\)
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\(\rm \frac{2}{x}\)
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More than one of the above
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None of the above