Question

(p²+q²+r²) (pq+qr) ; p=2, q=-3, r=1​

Answer 1

Answer:

(-126)

Step-by-step explanation:

(p²+q²+r²)(pq+qr)

[putting the given values]

=(2²+(-3)²+1²)(2×(-3)+(-3)×1)

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

=14×(-9)

=(-126)

Hope it helps you...

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