Question

if p+ 1/p=2, find p3 -1/p3 .

Answer 1

Step-by-step explanation:

p+1=2p

p=1

p3 -1/p3 = 1-1/1 =0

Answer 2

Given that,

p+1/p=2

p+1=2p

1=2p-p

1=p

p=1

Then,

P^3-1/p^3

=1^3-1/1^3

=1-1/1

=0/1

=0

If your question is

p3-1/p3

=(1×3)-1/1×3

=3-1/3

=2/3

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