Question

fimd the value of p(y)= 2ycube -2y+root 7 for y= -2

Answer 1

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Answer 2

{2*(-2)*(-2)*(-2)} -{2(-2)}+{√7}=2*(-8)+4+√7= -16+4+√7= -12+ √7 you can also put value of √7i.e. 2.645 than ans. will be -12 + 2.645 = -9.355