Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Binomial Theorem Special Terms of Binomial Expansion
What is the product of the coefficients of x2 and x in the following ?
\(\rm \left(2x^2-3x-\frac{9}{x}\right)\left(-x+\frac{7}{x}\right) \)
1
24
2
28
3
42
4
More than one of the above
5
None of the above