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Popular >

expand (e^y+1)^2

Solution

expand

(e^{y} + 1)^{2}

Solution

e^{2 y} + 2 e^{y} + 1

Solution steps

(e^{y} + 1)^{2}

Apply Perfect Square Formula:

(a + b)^{2} = a^{2} + 2 ab + b^{2}

a = e^{y}, b = 1

= (e^{y})^{2} + 2 e^{y} \cdot 1 + 1^{2}

Simplify

(e^{y})^{2} + 2 e^{y} \cdot 1 + 1^{2} : e^{2 y} + 2 e^{y} + 1

= e^{2 y} + 2 e^{y} + 1

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Frequently Asked Questions (FAQ)

What is expand (e^y+1)^2 ?
The solution to expand (e^y+1)^2 is e^{2y}+2e^y+1