Jee Main
Binomial Theorem
JEE Main 2021 (Online) 27th July Morning Shift
MCQ+4 / -12021
If the coefficients of x7 in \({\left( {{x^2} + {1 \over {bx}}} \right)^{11}}\) and x\(-\)7 in \({\left( {{x} - {1 \over {bx^2}}} \right)^{11}}\), b \(\ne\) 0, are equal, then the value of b is equal to :