Verify Rolles theorem for the function: `f(x)=sinx-sin2x` on `[0,\ pi]`

Explanation

`{f}({x}) `is continous \ differentiable in` [0, \pi]`


`f(0)=f(\pi) \quad a=0 ; b=\pi`



We have to find `c` in` [0,1],`


such that, `f^{\prime}(c)=0` ( in Rolle's Theorem)
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