Question

If p-1/p=8 find the value of p^3-1/p^3

Answer 1

p-1/p=8

(p-1/p)3=8^3

p3-1/p3=512

Answer 2

Answer:

p -1/p = 8

p²+1/p² - 2 = 66

p²+1/p² = 66

p^3-1/p^3 = (p-1/p)(p²-1/p²+1)

= 8×67

= 536

Step-by-step explanation:

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