Question

If 18,x,y,-3 are in AP.,then the value of x+y is

Answer 1

X = 2nd term = a+d

Y =3rd term = a+2d

x+y = a+d+a+2d

= a+(a+3d)

= 18 + -3

= 18-3

= 15

Hope it helps u : )

Answer 2

hope it helps......................