if x=2,y=3and z=4,find the value of :xy+yz+zx+xyz.
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Step-by-step explanation:
Given, x=2, y=3 and z=4
xy + yz + zx + xyz
=2×3 + 3×4 + 4×2 + 2×3×4
= 6 + 12 + 8 + 24
= 50 is the answer
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