if p+1/p =5 show that p2 +1/p2=23
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= p+1/p = 5
on squaring both the side
= p2+1/p2+2 = 25
= p2+1/p2 = 25-2
= p2+1/p2 = 23
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Answer:
p2+1/p2=23 this is the answer
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