Q. 18 C5.0( 1 Vote )

# In the following A.P., find the missing terms:– 4, □,□,□,□, 6

Here, a = –4, n = 6 and l = 6

We have,

l = a + (n – 1)d

6 = –4 + (6 – 1)d

6 = –4 + 5d

10 = 5d So, the missing terms are –

a2 = a + d = –4 + 2 = –2

a3 = a + 2d = –4 + 2(2) = –4 + 4 = 0

a4 = a + 3d = –4 + 3(2) = –4 + 6 = 2

a5 = a + 4d = –4 + 4(2) = –4 + 8 = 4

Hence, the missing terms are –2, 0, 2 and 4

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