If the coefficient of (p + 1) th term in the expansion of `(1+ x)^(2n) be equal to that of the (p +3) th term, show that p=n-1

If the coefficient of (r +1)^(th) term in the expansion of (1 +x)^(2n) be equal to that of (r + 3)^(th) term , then

n th term in the expansion of (x+(1)/(x))^(2n)

If the coefficients of (p+1) th and (P+3) th terms in the expansion of (1+x)^(2n) are equal then prove that n=p+1

If the coefficient of pth,(p+1)thand(p+2)th terms in the expansion of (1+x)^(n) are in A.P

If the coefficient of pth,(p+1)thand(p+2)th terms in the expansion of (1+x)^(n) are in A.P

if the coefficient of (2r+1) th term and (r+2) th term in the expansion of (1+x)^(43) are equal then r=?

If the coefficient of p^(th) term in the expansion of (1+x)^(n) is p and the coefficient of (p+1)^(th) term is q then n=

If coefficients of r th and (r + 1)th term in the expansion of (3 + 2x)^(74) are equal, then r is equal to:

how that the coefficient of (r+1) th in the expansion of (1+x)^(n+1) is equal to the sum of the coefficients of the r th and (r+1) th term in the expansion of (1+x)^(n)