Question

n²+4n=0 ; .n=0, -2,-4.​

Answer 1

Step-by-step explanation:

so,at n=0 also o=o , and n=-2,4=o

Answer 2

Answer:

When n=0

=0^2+4*0

=0

When n=-2

-2^2+4*-2

=4-8

=-4

When n=-4

-4^2+4*-4

=16-16

=0

Hope it will be helpful