Question

Simplify the following & verify
the result for the given values
(p² + q² + r^2) ( pq + qr) ; p=2, q = (3) ,r = 1​

Answer 1

Answer:

(P^2+q^2+r^2)pq+qr

(2^2+3^2+1^2)(2×3+3×1)

(4+9+1)(6+3)

(14)(9)

126=ans