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Physics Chemistry

Entry Test MCQ :: Equations and Inequalities


  If r ? -s and a = (r-s) / (r+s) +1 then a + 1=
[A]. 2r / (r+s) + 1[B]. (r-s+1) / (r +s)
[C]. (2r-2s) / (r+s)[D]. 2s / (r+s)
[E]. (1-r+s)/(r+s)    

Answer: Option A


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