The common difference of two AP are same the first term of one AP is 3 and of the other is 8. what is the difference of their 10th term
lalitgumber10:
Nth series = a + ( n - 1 )d. :- a is first term, n is no. of series, d is common difference
10th series = a + ( 10 - 1 )d.
10th series of 3 is a + ( 10 - 1 )d = 3 + 9d
10th series of 8 is a + 9d = 8 + 9d
difference is (8 + 9d) - ( 3 + 9d ) = 8 + 9d - 3 - 9d = 5
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