Question

(4pq + 3q)² − 48 p

2 = (4pq – 3q)²​

Answer 1

7+9+4+8+4+96+999+5+0

Answer 2

Explanation:

(4pq+3q)

2

−(4pq−3q)

2

=48pq

2

LHS=(4pq)

2

+2(4pq)(3q)+(3q)

2

−[(4pq)

2

−2(4pq)(3q)+(3q)

2

]

=16p

2

q

2

+24pq

2

+9q

2

−16p

2

q

2

+24pq

2

−9q

2

=48pq

2

=RHS

LHS=RHS