Question

y
TY2 - 2x
(vi) x - y - 2
3
(v) 2x'y - 5yz + xy
BIf p=-2, q=-1 and r = 3, find the value of
(1) p2 + q2 - 12
(11) 2p2 - q2 + 3r2
(iv) pº + q® +r% + 3 par
(v) 3p²q +5 pq² + 2 par
(iii) p-q-1
(vi) p* + q* -r*​

Answer 1

Answer:

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