if p=-2 q=-1&r=3 find the value of 2p2-q2+3r2
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Answered by
2
question is wrong bro
rockykharbaat:
its right
any variable cannot have consonant after it
that's why................
Answered by
17
step by step
putting these values in the given equation
=2(-2)^2-(-1)^2+3(3)^2
=2(4)-1+3(9)
=8-1+27
=34
putting these values in the given equation
=2(-2)^2-(-1)^2+3(3)^2
=2(4)-1+3(9)
=8-1+27
=34
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