19th question determine k so that the above 3 terms are 3 consecutive terms of an AP
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i can give you only hint..
in consecutive A.P
the 3 terns are in the form of ..
(a-d),a,(a+d) now you can solve it..
in consecutive A.P
the 3 terns are in the form of ..
(a-d),a,(a+d) now you can solve it..
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