Question

Simplify (pqr) (pq³r) (p²r). Also, verify the result when p= -1 q= 2 r= -2​

Answer 1

answer:

p^4×q^4×r^3

Verification:

(pqr)(pq^3r)(p^2r)

(-1×2×-2)(-1×2^3×-2)(-1^2×-2)

4×(-1×8×-2)(1×-2)

4×16×(-2)

-128