Q.3 If the coefficients of the `rth, (r + 1)th & (r + 2)th terms in the expansion of (1+x)^14` are in AP,find r:

Q.3If the coefficients of the rth,(r+1)th&(r+2) thterms in the exp ansionof (1+x)^(14) are in AP,find r:

If the coefficients of rth, (r+ 1)th and (r + 2)th terms in the expansion of (1 + x)^(1//4) are in AP, then r is /are

Let n be a positive integer . If the cofficients of rth (r +1) th and (r +2)th terms in the expansion of (1 + x)^(n) are in AP, then find the relation between n and r .

If the coefficients of the rth, (r +1)th and (r + 2)th terms in the binomial expansion of (1 + y)^(m) are in A.P., then m and r satisfy the equation

If the coefficients of the rth,(r+1)th,(r-2)th terms is the expansion of (1+x)^(14) are in A.P,then the largest value of r is.

If the coefficients of (2r+4)th and (r-2)th terms in the expansion of (1+x)^(18) are equal.Find r?

If the coefficients of rth,(r+1) th,and (r+2) th terms in the expansion of (1+x)^(14) are in A.P.then r is/are a.5 b.11 c.10d.9