Question

The square root of x+√(x^2+y^2)​

Answer 1

Answer:

$(x + \sqrt{( {x}^{2} + {y}^{2} ) } ) {}^{2} \\ = (x + { {x}^{2 \frac{1}{2} } + {y}^{2 \frac{1}{2} } } ) {}^{2} \\ = (x + x + y) {}^{2} = (2x + y) {}^{2} \\ = 4x {}^{2} + 4xy + y {}^{2}$

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