Question

Find the missing
term from
the following AP
-10,_,_,-1​​

Answer 1

Answer:

-10, -7, -4,-1​​.

Step-by-step explanation:

a1 = -10

a4 = -1

Formula for general term:

an =  a   + (n - 1)d

=> -1  = -10 + (4 - 1)d

=> -1 + 10 = 3d

=> d = 9/3

=> d = 3

a2 = a1 +  d = -10 + 3 = -7

a3 = a1 + 2d = -10 + 2(3) = -10 + 6 = -4

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