Question

If p=-2,q=-1 and r=3 , find the value of3p2q+5pq2+2pqr

Answer 1

Answer:

putting values p=-2,q=-1,r=3 in given eqn

3(-2)2(-1) + 5(-2)(-1)2 + 2(-2)(-1)(3)

12+20+12 (minus cancelled by minus)

44