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 coefficients of (2r+4)^(th) term and (r-2)^(th) term in the expansion of (1+x)^(18) are equal then r=

If the coefficient of (3r + 4)th term and (2r - 2)th term in the expansion of (1 + x)^(20) are equal then r is equal to,

If the coefficients of (2r+1)th term and (r+2)th term in the expansion of (1+x)^(48) are equal,find r.

If the coefficients of (2r + 1)th term and (r + 2)th term in the expansion of (1 + x)^(48) are equal,find r .

Given positive integers r>1,n> 2, n being even and the coefficient of (3r)th term and (r+ 2)th term in the expansion of (1 +x)^(2n) are equal; find r

If the coefficients of (2r+1)th term and (4r+5)th term in the expansion of (1+x)^10 are equal then r=

If the coefficient of (2r + 4)^(th) term and (r - 2)^(th) term in the expansion of (1 + x)^18 are equal then find r.

Given positive integers r>1,n>2,n being even and the coefficient of (3r)th term and (r+2)th term in the expansion of (1+x)^(2n) are equal; find r