If the middle term of 1x+x sin x10 is equal to 778, then the value of – InterviewSolution

1.	If the middle term of 1x+x sin x10 is equal to 778, then the value of x is(a) 2nπ+π6(b) nπ+π6(c) nπ+-1nπ6(d) nπ+-1nπ3
Answer» If the middle term of ${(\frac{1}{x} + x \sin x)}^{10}$ is equal to $7 \frac{7}{8},$ then the value of x is (a) $2 n π + \frac{π}{6}$ (b) $n π + \frac{π}{6}$ (c) $n π + {(- 1)}^{n} \frac{π}{6}$ (d) $n π + {(- 1)}^{n} \frac{π}{3}$

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