If in the expansion f `(1+x)^m(1-x)^n, the coefficient of x and `x^2` are 3 and -6 respectively then (A) m=9 (B) n=12 (C) m=12 (D) n=9

Similar Questions

Explore conceptually related problems

if in the expansion of (1+x)^m (1-x)^n the cofficients of x and x^2 are 3 and -6 respectively then m is

If in the expansion of (1+x)^(m)(1-x)^(n), the coefficients of x and x^(2) are 3 and -6 respectively,then m is:

If in the expansion of (1+x)^m(1-x)^n the coefficients of x and x^2 and 3 and -6 respectivly then m is (A) 6 (B) 9 (C) 12 (D) 24

If in the expansion of (1 +x)^(m) (1 - x)^(n) , the coefficients of x and x^(2) are 3 and - 6 respectively, the value of m and n are

In in the expansion of (1+px)^(q) , q belongs to N , the coefficients of x and x^(2) are 12 and 60 respectively then p and q are

In the expansion of [(1+x)/(1-x)]^(2), the coefficient of x^(n) will be 4n b.4n-3 c.4n+1 d.none of these

If A and B are the coefficients of x^(n) in the expansion (1+x)^(2n) and (1+x)^(2n-1) respectively,then