Most important algebra questions asked in SSC CGL

In this article , some  important algebra  questions asked in SSC CGL previous year papers  are  discussed with explanations. 1. If   then find (i) (ii) (iii) (iv) Sol.   Given   . Squaring both sides  we get,  . Hence (i)  Now = Putting     , we get =    =1 (ii) = (iii)  = = = (iv) 2.   If , then find the value of . Sol.  Cubing both the sides , we get             [    ]                    [ putting the value of ]   .    …

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