Question

Let ' $a$ ' and ' $b$ ' are two positive real numbers such that $a^2+b=2$, then the maximum value of term independent of $x$ in the expansion of ${\left(a{x}^{\frac{1}{6}}+b{x}^{\frac{-1}{3}}\right)}^9$ is-

• A. 168
• B. 98
• C. 84
• D. 42

Answer 1

Answer: (C)

Correct answer is (c) 84