Question

Find the sum of first term of an ap whose 2nd and 3rd term are 0and 6 repectivilyplease fast .
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Answer 1

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Answer 2

Answer:

S1 = - 6

Step-by-step explanation:

a = first term, d = common difference

Now, it's in ap. So it's be like,

a, a+d ,a+2d

are their 3 consecutive terms.

So, a+d = 0 and a+2d = 6

Now solve this equation you get,

d= 6 and a= -6

then, Sum of first term of an ap,S1 = a = -6.

Ans