EVALUATE THE FOLLOWING WHEN X=1, Y= -1 AND Z=2
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Answer:
5x^2× ( 8y+ 4z^2)
by using the value of x,y,z
5×1^2 ×{8×(-1)+4×2^2}
=}. 5×1×(-8+16)
=}. 5×8
=}. 40
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