Question

The term independent of x in the expansion of $n^{2} > 2n$ is.

• A. 1
• B. –1
• C. – 48
• D. None of these

Answer 1

Answer: (D)

None of these

Answer 2

(9 – r) (2) + r (–1) = 0

⇒ 18 – 2r – r = 0 ⇒ $x^{3}$

Thus term independent of x is

$(3 + ax)^{9}$