Question

Prove that (21)n is an odd integer for all natural numbers n.​

Answer 1

Answer:

yes (21)n is odd integer.

Step-by-step explanation:

odd integers has n+1 is a format. n is even number .

firstly

n=0 0+1 is 1

n=20 20+1 is 1

20 is even number adding 1 gives 21.

Hence it is proved.