Question

If the sum of three terms of an A.P is 45,and second term is 15 find the three terms

Answer 1

Answer:

10, 15, 20

Step-by-step explanation:

2b = a + c

=> 30 = a + c

=> a + a + 2d = 30

=> 2a + 2d = 30

=> a + d = 15 ...(i)

a + 2d = 20 ...(ii)

Therefore a = 10

b = 15

c = 20

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