Question

if 18, x, y, -3 are in AP then find the value of x and y
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Answer 1

Answer:

x= 11, y = 4

Step-by-step explanation:

18 = a

-3 = a4 = a + 3d

=> -3 = 18 + 3d

=> -21 = 3d

=> d = -7

x = a + d

= 18 +(-7) = 18-7

= 11

y = a2 + d

=11 +(-7)

= 11-7

= 4