11Thanx.Now p;z can you suggest me any book than can help me improve myself at Algebra??
i'm very weak at algebra. So can anyone plz say me if (x+1/x)=4 then (x-1/x)=? nd why??
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1357i'm very weak at algebra. So can anyone plz say me if (x+1/x)=4 then (x-1/x)=? nd why??
(x+1/x)=4
squaring
x2+1/x2+2=16
x2+1/x2=14
x2+1/x2-2=12
(x-1/x)2=12
x-1/x=±2√3
111There's no specific book which will help you improve in algebra....the only way is to practice extensively...u can refer to M.L.AGGARWAL books...thats a good book beginners.