Question

Find the value of a :
Refer to the attachment
Don't dare to spam this time$\:$​

Answer 1

Answer:

but there is no a there is only p and q

Answer 2

Answer:

hii sister

pqa=(3p+q)²−(3p−q)²

We know that, a²-b²=(a+b)(a−b)

By using this formula,

pqa=[(3p+q)+(3p—q)][(3p+q)−(3p−q)]

pqa=[(3p+q+3p—q)][(3p+q−3p+q)]

pqa=(6p)×(2q)

a=6p×2q/pq= (6×2)pq/pq

a=12