Question

Y2+1/y2 is not equal to

a) y4+1/y2
b) (y+1/y)2
c) (y-1/y)2
d) (y+1/y)2 -2



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Answer 1

Answer:

d

Step-by-step explanation:

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Answer 2

Answer:

c. is correct

Step-by-step explanation:

hope it helps you