A problem by Fatema ilu

Level pending

11 x − 6 = 4 x + 5 − x − 1 \sqrt{11x-6}=\sqrt{4x+5} - \sqrt{x-1}

Find x x .


The answer is 1.2.

Fatema Ilu by Fatema ilu , 21

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2 solutions

5 is an extraneous root definitely...

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Siddhartha Suman
Mar 21, 2014

square both the sides and solve the quadratic equation to get two result. keep the value in the problem and result comes out to be 1.2.

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even 5 is an answer..

Writo Mukherjee - 7 years, 2 months ago

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