What is expand sqrt(k+2)sqrt(k+1) ?

The solution to expand sqrt(k+2)sqrt(k+1) is sqrt(k^2+3k+2)

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expand sqrt(k+2)sqrt(k+1)

expand

k + 2 k + 1

k^{2} + 3 k + 2

Solution steps

k + 2 k + 1

Apply radical rule:

a b = a \cdot b,

assuming

a \geq 0, b \geq 0

k + 2 k + 1 = (k + 2) (k + 1)

= (k + 2) (k + 1)

Expand

(k + 2) (k + 1) : k^{2} + 3 k + 2

= k^{2} + 3 k + 2

\frac{( x + 2 ) ( x - 3 )}{4 ( 3 x - 1 ) ( x + 1 )}

\frac{\partial}{\partial y} ((z) (- 3 x + 5 y + z))

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

\frac{\frac{1}{5}}{y - 3} - \frac{\frac{1}{5}}{y + 2}

\frac{d}{d x} ((z (x, y)) (6 x^{5} + 4 y^{3} + 4 y))

What is expand sqrt(k+2)sqrt(k+1) ?
The solution to expand sqrt(k+2)sqrt(k+1) is sqrt(k^2+3k+2)