" If the coefficients of "x^(2)" and "x^(3)" in the expansion of "(3+ax)^(9)" are the same,then the value of a is "

If the coefficient of x^2 and x^3 in the expansion of (3 + ax)^9 are the same, then the value of a is ...

If the co-efficients of x^(2) and x^(3) in the expansion of (3+ax)^(9) be same, then the value of 'a' is

If the cofficients of x^(2) and x^(3) in the expansion 0(3+ax)^(9) are the same,then the value of a is -(7)/(9) b.-(9)/(7) c.(7)/(9) d.(9)/(7)

If the coefficients of x^2 and x^3 in the expansion of (3 + ax)^(9) are the same, find the value of a.

If the coefficients of x^(3) and x^(4) in the expansion of (3 + k x)^(9) are equal, then the value of k is

If the coefficients of x^2a n d\ x^3 in the expansion of (3+a x)^9 are the same, then the value of a is a. -7/9 b. -9/7 c. 7/9 d. 9/7

If the coefficients of x^2 and x^3 in the expansion of (3 + ax)^(9) be same, then the value of a is

If the coefficients of x^2a n d\ x^3 in the expansion o (3+a x)^9 are the same, then the value of a is -7/9 b. -9/7 c. 7/9 d. 9/7