en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

expand (n+1)(n-1)!

Solution

expand

(n + 1) (n - 1)!

Solution

n (n - 1)! + (n - 1)!

Solution steps

(n + 1) (n - 1)!

= (n - 1)! (n + 1)

Apply the distributive law:

a (b + c) = ab + a c

a = (n - 1)!, b = n, c = 1

= (n - 1)! n + (n - 1)! \cdot 1

= n (n - 1)! + 1 \cdot (n - 1)!

Multiply:

1 \cdot (n - 1)! = (n - 1)!

= n (n - 1)! + (n - 1)!

Popular Examples

expand (8e^{8x}(4x+1))/(45)expand

\frac{8 e ^{8 x} ( 4 x + 1 )}{45}

expand-x-4(-7-4x=103)expand

- x - 4 (- 7 - 4 x = 103)

expand f(x)((x)=x^3+x^2-14x-24)expand

f (x) ((x) = x^{3} + x^{2} - 14 x - 24)

expand 3/5 (t+18=-3(2-t))expand

\frac{3}{5} (t + 18 = - 3 (2 - t))

expand 2.4x(8.6x^{4.7})expand

2.4 x (8.6 x^{4.7})

Frequently Asked Questions (FAQ)

What is expand (n+1)(n-1)! ?
The solution to expand (n+1)(n-1)! is n(n-1)!+(n-1)!