What is expand Re(x+Y)^4 ?

The solution to expand Re(x+Y)^4 is eRx^4+4eRx^3Y+6eRx^2Y^2+4eRxY^3+eRY^4

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expand Re(x+Y)^4

expand

R e (x + Y)^{4}

e R x^{4} + 4 e R x^{3} Y + 6 e R x^{2} Y^{2} + 4 e R x Y^{3} + e R Y^{4}

Solution steps

R e (x + Y)^{4}

(x + Y)^{4} = x^{4} + 4 x^{3} Y + 6 x^{2} Y^{2} + 4 x Y^{3} + Y^{4}

= e R (x^{4} + 4 x^{3} Y + 6 x^{2} Y^{2} + 4 x Y^{3} + Y^{4})

= e R (x^{4} + 4 x^{3} Y + 6 x^{2} Y^{2} + 4 x Y^{3} + Y^{4})

Distribute parentheses

= R e x^{4} + R e 4 x^{3} Y + R e 6 x^{2} Y^{2} + R e 4 x Y^{3} + R e Y^{4}

= e R x^{4} + 4 e R x^{3} Y + 6 e R x^{2} Y^{2} + 4 e R x Y^{3} + e R Y^{4}

e^{x} \cdot (x^{2} + 2 x + 3)

A (2 x^{2} + 1) e x^{2}

2 (1 + t^{2}) e^{5 t}

x - (x - 1) \cdot (ln (x - 1))

\frac{10 ( y - 1 )}{x}

What is expand Re(x+Y)^4 ?
The solution to expand Re(x+Y)^4 is eRx^4+4eRx^3Y+6eRx^2Y^2+4eRxY^3+eRY^4