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THE VALUE OF X SATISFYING  EQUATION                             X=(2+(2-(2+X)1/2)1/2)1/2   ?

10 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
							

Dear rahul

 X=(2+(2-(2+X)1/2)1/2)1/2 

x≥ 0  ................1

square

x2 =(2+(2-(2+X)1/2)1/2)

or

x2 -2 =(2-(2+X)1/2)1/2

so x2 -2≥0

   so   x≥2   or x ≤-2

 from equation 1        x≥2

and RHS      2-(2+X)1/2 ≥ 0

   or     x≤2

 so only x=2 is possible

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Badiuddin

10 years ago
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