Question

find by using suitable identity (1 +3p/2)^2​

Answer 1

We know that

(a+b)

2

=a

2

+2ab+b

2

From above identity we can

(xy+3p)

2

=(xy)

2

+2(xy)(3p)+(3p)

2

=x

2

y

2

+6xyp+9p

2

.