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# Let p(x) be a function defined on R such that

Question:

Let $\mathrm{p}(\mathrm{x})$ be a function defined on $\mathrm{R}$ such that $\mathrm{p}^{\prime}(\mathrm{x})=\mathrm{p}^{\prime}(1-\mathrm{x})$, for all $\mathrm{x} \in[0,1], \mathrm{p}(0)=1$ and $p(1)=41$. Then $\int_{0}^{1} p(x) d x$ equals :-

1. $\sqrt{41}$

2. 21

3. 41

4. 42

Correct Option: , 2

Solution: