Question

P is a odd number
Explain why p^2+1 is always even

Answer 1

Answer/Step-by-step explanation:

Whenever a negative number is squared it is equal to the expression -a x -a = +a. In this expression any negative number multiplied an even amount of time with all numbers being negative will be a positive product.

Answer 2

Answer:

P^2+1 even because

Step-by-step explanation:

P is an odd number

Any odd number squared is odd

Therefore,P^2+1 is odd

Any odd number= because odd odd =even

Be=P^2+1 is odd odd =even

... P^2+1 = even