Q. 1 D4.2( 6 Votes )

# Write the first three terms of the following sequences defined by:tn = n(n + 2)

Given: tn = n(n+2)

Taking n = 1, we get

t1 = (1)(1+2) = (1)(3) = 3

Taking n = 2, we get

t2 = (2)(2+2) = (2)(4) = 8

Taking n = 3, we get

t3 = (3)(3+2) = (3)(5) = 15

Hence, the first three terms are 3, 8 and 15.

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