Question

1
7. The numerical coefficient of xy2 in 3x3 - 7xły + xy2 + 7 ​

Answer 1

Answer:

x

3

−7x

2

y+5xy

2

−2

∴ Coefficient of x

3

=1

Coefficient of x

2

y=−7

Coefficient of xy

2

=5

Constant =−2.