Q. 18 A5.0( 4 Votes )

In the following A.P., find the missing terms:

5, ,, 9

Answer :

Here, a = 5 , n = 4 and


We have,


l = a + (n – 1)d



19 = 10 + 6d


9 = 6d



So, the missing terms are –


a2 = a + d


a3 = a + 2d


Hence, the missing terms are


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