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Question

If p=4q=3 and r=-2find the value of :

3pq+2qr2p+q-r


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Solution

We have 3pq+2qr2p+q-r

Substituting p=4q=3 and r=-2 in the given expression , we get

3pq+2qr2p+q-r=3×4×3+2×3×-224+3--2=36+247+2=609=669=623

Hence,the value of given expression will be 623.


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