QJEEAdv04Ma2015: JEE Advanced 2004 Mathematics - Class 12 JEEAdv04Ma2015 Solution: Prove that for . Explain the identity if any used in the proof.

Question

Verified Solution • 2025–26 Session moderate

Prove that for

x \in \left[ {0,{\pi \over 2}} \right],

\sin x + 2x \ge {{3x\left( {x + 1} \right)} \over \pi }

. Explain
the identity if any used in the proof.

Accepted Answer

Answer

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