Question

simplify and verify (p2+q2+r2) (pq +qr) p2 q-3 r1​

Answer 1

Step-by-step explanation:

P=2

Q=3

R=1

={(2*2)+(3*2)+(1*2)}{(2*3)+(3*1)}

={4+6+2}{6+3}

=12*9

=108

I hope it's helpful to u