Question

Prove that if n is a natural number then 4^n +15n-1 is divisible by 9

Answer 1

Step-by-step explanation:

Ok so lets take n as 1

[ 4^1 + 15 x 1 - 1 ]/9

[4 + 15 - 1]/9

[19-1]/9

18/9

=2

See when the smallest natural number got ok for being n then why not others

sooo....................... PROVED

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Hope this helps

Answer 2

Answer:

Step-by-step explanation: