Question

find the square of the following expressions with the help of formula— q) 3p +2q - 5r *step by step*​

Answer 1

Answer:

Using the form (a+b+c)

2

, where a=3p,b=−2q,c=r.Thus

(3p−2q+r)

2

=(3p)

2

+(−2q)

2

+r

2

+2(3p)(−2q)+2(−2q)r+2r(3p)=9p

2

+4q

2

+r

2

−12pq−4qr+6rp

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