Question

12, x, y, -2 is an AP, then as x+y=?

Answer 1

Answer:

12 = a.

now,

-2 = a + 3d

=> 12 + 3d =-2

=> 3d = -14

=> d = - 14/3

Answer 2

Answer:we are given an A.p.

d = x-12 -- eqn 1

Also , d = -2-y --eqn 2

Equating both the equations ,

x - 12 = -2 - y

x + y = -2 + 12

x + y = 10

Hope it helps

Please mark as the brainliest