Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Binomial Theorem Binomial Expansion
Coefficient of x–2 of this expansion \((2x^3 - \frac{7}{x})^8\)
1
90
2
not possible
3
72
4
More than one of the above
5
None of the above