What is expand (a+b+c+d+e)^2 ?

The solution to expand (a+b+c+d+e)^2 is 2ea+2ab+2ac+2ad+a^2+e^2+b^2+2eb+2bc+c^2+2ec+2bd+2cd+d^2+2ed

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expand (a+b+c+d+e)^2

expand

(a + b + c + d + e)^{2}

2 e a + 2 ab + 2 a c + 2 a d + a^{2} + e^{2} + b^{2} + 2 e b + 2 b c + c^{2} + 2 ec + 2 b d + 2 c d + d^{2} + 2 e d

Solution steps

(a + b + c + d + e)^{2}

(a + b + c + d + e)^{2} = (a + b + c + d + e) (a + b + c + d + e)

= (a + b + c + d + e) (a + b + c + d + e)

Expand

(a + b + c + d + e) (a + b + c + d + e) : 2 e a + 2 ab + 2 a c + 2 a d + a^{2} + e^{2} + b^{2} + 2 e b + 2 b c + c^{2} + 2 ec + 2 b d + 2 c d + d^{2} + 2 e d

= 2 e a + 2 ab + 2 a c + 2 a d + a^{2} + e^{2} + b^{2} + 2 e b + 2 b c + c^{2} + 2 ec + 2 b d + 2 c d + d^{2} + 2 e d

\frac{1}{( x + 1 ) ( x + 2 )}

(3 x - 3) (3 x + 3)

(1 - x) (1 + x)

(1 + 2 e^{t})^{3}

(1 + \frac{x}{2})^{16}

What is expand (a+b+c+d+e)^2 ?
The solution to expand (a+b+c+d+e)^2 is 2ea+2ab+2ac+2ad+a^2+e^2+b^2+2eb+2bc+c^2+2ec+2bd+2cd+d^2+2ed