What is expand sqrt((x+hx)^2+1) ?

The solution to expand sqrt((x+hx)^2+1) is sqrt(x^2+2x^2h+x^2h^2+1)

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expand sqrt((x+hx)^2+1)

expand

(x + h x)^{2} + 1

x^{2} + 2 x^{2} h + x^{2} h^{2} + 1

Solution steps

(x + h x)^{2} + 1

Expand

(x + h x)^{2} + 1 : x^{2} + 2 x^{2} h + x^{2} h^{2} + 1

= x^{2} + 2 x^{2} h + x^{2} h^{2} + 1

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(x - x + 1 - 5) (x + x + 1 + 5)

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What is expand sqrt((x+hx)^2+1) ?
The solution to expand sqrt((x+hx)^2+1) is sqrt(x^2+2x^2h+x^2h^2+1)