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Question Number 9123 by j.masanja06@gmail.com last updated on 20/Nov/16
simplify  (x^2 (x+1)^(−1/2) −(x+1)^(1/2) )/x^2
simplify(x2(x+1)1/2(x+1)1/2)/x2
Commented by tawakalitu last updated on 20/Nov/16
((x^2 (x + 1)^(−1/2)  − (x + 1)^(1/2) )/x^2 )  = [x^2 . (1/((x + 1)^(1/2) )) − (((x + 1)^(1/2) )/1)] ÷ x^2   = [(x^2 /((x + 1)^(1/2) )) − (((x + 1)^(1/2) )/1)] × (1/x^2 )  Find the LCM in the braket.  = [((x^2  − (x + 1))/((x + 1)^(1/2) ))] × (1/x^2 )  = ((x^2  − x − 1)/(x^2 (√(x + 1))))
x2(x+1)1/2(x+1)1/2x2=[x2.1(x+1)1/2(x+1)1/21]÷x2=[x2(x+1)1/2(x+1)1/21]×1x2FindtheLCMinthebraket.=[x2(x+1)(x+1)1/2]×1x2=x2x1x2x+1

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