Question

if 18,a,b,-3 are an AP then a+d ?​

Answer 1

b part is the correct answer.

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Answer 2

Hello Mate here is your answer below,

Given values are

AP, a , b ,-3,.......

so that here first term is (a), and second term( b) and third term is (-3) ..

we know that ,

a1 = a

second term,is

a2 = a + d

same as

a3 = a+2d

so the question is

a + d = a2 it's is second term.

I hope that helps you