If a_1=5a 1

​

=5 and a_n=-2a_{n-1}a

n

​

=−2a

n−1

​

then find the value of a_4a

4

​

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb