2! +4! +6! +...+2n!

Question

Series
write it in c program
plz help me

Answer 1

https://idownvotedbecau.se/noattempt

<redacted> Ahem... Lemme rethink this.

2! + 4! + 6! + ... + 2n!

Let n = 3, 2n = 6

2! + 4! + 6! =
1*2 + 1*2*3*4 + 1*2*3*4*5*6 =
1*2(1 + 3*4(1 + 5*6))
= 746

Check out the tips I've provided in this thread for an idea of how to implement the sequence using loops.

https://www.sololearn.com/Discuss/1684197/?ref=app

Answer 2

Saurabh Tiwari I wasn't joking, but seriously mistaken. Thanks for slapping me conscious...

Answer 3

Hatsy Rei that's fine
We all do mistakes...

Answer 4

Can you please expound on your question or at least reference your question in terms that may be able to be answered.