if p=√2+1, find the value of p-(1/p)
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Answer:
P = √2+1
= p-1=√2-1-1=√2-2
= p-(1/p)=√2-2/√2-1
= √2-2*√2+1/√2-1*√2+1
= 2+√2-2√2-2/2-1
= -√2/1
= -√2
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