Question

20: if p-1/p = 8 find the value of p^3-1/p^3
538
536
-443
436​

Answer 1

Answer:

I can't understand the question

though my ture effort

Step-by-step explanation:

first whole queeb of p-1/p=8

we get

a3-b3-3ab(a-b)

p^3-1/p^3-3×p×1/p(p-1/p)=512

p^3-1/p^3-3×8=512 (putting the value of p-1/p=8)

p^3-1/p^3=512+24

=536 ans

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