Question

Find the positive value of "a" so that the co-efficient of x^5 is equal to that of x^15 in the expansion
\[\huge (x^{2} + \frac{ a }{ x^{3} })\]

Answer 1

exponent is missing

Answer 2

wait , let me try it once again , sorry

Answer 3

let me try the problem again , i might get it perhaps

Answer 4

exponent is 10