if p+1/p= 12 find p-1/p
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mukund82:
step 1. Calculate (p+1/p)^2 , from there find out the value of p^2+1/p^2 which is equal to 142 . Step2. calculate( p-1/p)^2 and put the value of p^2+1/p^2 and then take it's square root.
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√140...........is the answer
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