Q. 18 A5.0( 4 Votes )

# In the following A.P., find the missing terms:5, □,□, 9

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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