Question

solve it pls and explain it in details do not spam....​

Answer 1

Answer:

a=-4, b=6

Step-by-step explanation:

A(4,-6) and B(a,b) O(0,0)

0= (4+a)/2 implies a= -4

0= (-6+b)/2 implies b=6

Answer 2

Answer:

option c

Step-by-step explanation:

given : A(4,-6)

AO=OB

therefore, B(-4,6)

ie: a=-4, b=6