Question

plz ans this question 2.

Answer 1

hey dear!!
this question is answered by also another brainly user so here is ur ans :)

Answer 2

let two positive integer are 4q+1 and 4q +3 means a = 4q+3 and b = 4q+1
now , ATQ
= a+b/2
= 4q+3+4q+1/2
= 8q+4/2
= 4q+2 which is even ....

now ,
= 4q+3-4q-1/2
= 2/2
= 1 which is odd .....