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Question

If m=1n=2 and p=-3. Find the value of :

2mn2-15m2n+p


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Solution

Finding the value of expression

The given expression is 2mn2-15m2n+p

Substituting m=1n=2 and p=-3 in the given expression , we get

2mn4-15m2n+p=2×1×24-15×12×2+-3=2×1×16-15×1×2-3=32-30-3=32-33=-1

Hence,the value of given expression will be -1.


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