Question

if the 1st term of an AP is 71 and CD is 2 and half,find 1st 3 terms​

Answer 1

Answer:

a1=71, d=2.5

a2= a+d a3 = a2+d

a2 = 71+2.5 a3 = 73.5+2.5

a2 = 73.5 a3 = 76

First three terms of the given AP are 71, 73.5 and 76