Question

2^n+2n is divisible by 4

Answer 1

yes, do you know the basics of exponents ?

Answer 2

n belongs to what? N or R

Answer 3

n= 1 ,2,3 and 4

Answer 4

no. If n=3 then 2^3+2*3=14.14/4=7/2

Answer 5

so n= 3 ?

Answer 6

n= 3 is counterexam for the answer : NO

Answer 7

the answers i can put are n=1 n=2 n=3 n=4 ... so its not n=3 ?

Answer 8

It doesn't mean that. It means 2^n+2n is not 'perfectly' divisible by 4 .because if we consider n=3 then there will be a remainder of 2

Answer 9

so whats n = than

Answer 10

n={0,1,2,4,........................}. I can not calculate to the infinity.

Answer 11

i can only pick one i cant pick more then one

Answer 12

Can you tell me the total question ?

Answer 13

which of the following is a counterexample for the given statement

Answer 14

which are the followings...?

Answer 15

n=1 n=2 n=3 n=4

Answer 16

which of the following is a counterexample for the given statement
n^3+n+1 is a prime

Answer 17

Is it a new one....?

Answer 18

yea

Answer 19

n=4

Answer 20

thanks ....2^n+1 is divisible by 3

Answer 21

its a new one to

Answer 22

n=2