If the co-efficient of x7 and x8 in the expansion of ${\left( {2 + {x \over 3}} \right)^n}$ are equal, then the value of n is equal to _____________.

Question

If the co-efficient of x⁷ and x⁸ in the expansion of ${\left( {2 + {x \over 3}} \right)^n}$ are equal, then the value of n is equal to _____________.

Correct Answer

Please login to view the detailed solution steps...