English, asked by rock15381, 10 months ago

If 18,a,b,-3 are in AP,then a+b is equal to

Answers

Answered by prachipatil8504
2

Explanation:

18,a,b,-3 are in A.P. let, is a common difference.

then,

a-18=d,

b-a=d,

-3-b=d.

and solve this equations

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