Question

P^2 + 1/P^2= 11 ,find the value of p-1/p

Answer 1

Answer:

±3

Step-by-step explanation:

p²+1/p²=11 ( given )

To find : p-(1/p)

By using,

(p-1/p)²=p²+1/p²-2

(p-1/p)²=11-2

(p-1/p)²=9

p-1/p=±√9

therefore, p-1/p=±3

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