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Definition of Functions

Solve the fol...

Question

Solve the following equation:
$\sqrt{x^{2} + x + 4} + \sqrt{x^{2} + x + 1} = \sqrt{2 x^{2} + 2 x + 9}$

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Solution

Considering Domains
by Trial and Error Method put $x = 0$
Equation is Satisfied..

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