Question

If - 3,a,2 are the three terms of an ap find a​

Answer 1

Answer:

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Step-by-step explanation:

Given : If -3, a, 2 are the three consecutive terms of the AP.

To find : The value of a ?

Solution :

When three terms are in A.P then their difference is same.

So, -3, a, 2 are the three consecutive terms of the AP.

i.e. the difference between second term to first and third term to second are equal.

Now,

a-(-3)=2-a

a+3=2-a

a+a=2-3

2a=-1

a=-1/2

Therefore, the value of a is -1/2