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Popular >

expand (n+k)(n+k)!

Solution

expand

(n + k) (n + k)!

Solution

n (n + k)! + k (n + k)!

Solution steps

(n + k) (n + k)!

= (n + k)! (n + k)

Apply the distributive law:

a (b + c) = ab + a c

a = (n + k)!, b = n, c = k

= (n + k)! n + (n + k)! k

= n (n + k)! + k (n + k)!

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Frequently Asked Questions (FAQ)

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