Question: If the middle term in the expansion of $70\sqrt{2}$is $140\sqrt{2}$, then $120\sqrt{2}$...

Question

If the middle term in the expansion of $70\sqrt{2}$ is $140\sqrt{2}$ , then $120\sqrt{2}$

Answer 1

Since n is even therefore $15C_{3}$ term is middle term, hence $15C_{2}$

$15C_{5}$ $(1 + x)^{21}$ .

Question: If the middle term in the expansion of \(70\sqrt{2}\)is \(140\sqrt{2}\), then \(120\sqrt{2}\)...