JEE MAIN - Mathematics Hindi (2019 - 10th January Evening Slot - No. 1)
यदि $$\int\limits_0^x \, $$f(t) dt = x2 + $$\int\limits_x^1 \, $$ t2f(t) dt तो f '$$\left( {{1 \over 2}} \right)$$ है -
$${{18} \over {25}}$$
$${{6} \over {25}}$$
$${{24} \over {25}}$$
$${{4} \over {5}}$$
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