Question

if p=-2,q=-1and r= 3 then find 3p2 q + 5pq2 +2pqr

Answer 1

p=2

q=1

r=3

Then 3p2q+5pq2+2pqr

3×2×2×1+5×2×1+2×2×1×3

12+10+12

34