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Q.19 If x = 1+√2 then find : (x - 1/x )^2 |
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Answer» ONG>Step-by-step EXPLANATION: given : x=1+√2 =(x-1/x)^2 (x-1)^2=x2+1-2x So:x2+1-2x/x2 put the VALUE of x (1+√2)square+1-2(1+√2)/1+√2 2+2√2 /(1+√2) into(1-√2)/(1-√2) by solving we get the answer = +2 ANS= +2 |
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