if the rth term in the expansion of `(x/3-2/(x^2))^(10)` contains `x^4` then r is equal to

If the r^(th) term in the expansion of ((x)/(3)-(2)/(x^(2)))^(10) contains x^(4) , then r=

If the r^(th) term in the expansion of ((x)/(3)-(2)/(x^(2)))^(16) contains x^(4) , then r=

If the rth term in the expansion of ((x^(3))/(3)-(2)/(x^(2)))^(10) contains x^(20) .then r=

If r^(th) term in the expansion of ((x)/(3)-(2)/(x^(2)))^(10) contains x^(4), then find the value of r

If r^(th) term in the expansion of (x^(2)+1/x)^(12) is independent of x , then r is equal to

If r^(th) term in the expansion of (x^(2)+1/x)^(12) is independent of x , then r is equal to

If rth term in the expansion of (2x^2-1/x)^(12) is without x then r is equal to a. 7 b. 8 c. 9 d. 10

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

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

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