Q. 1 E5.0( 2 Votes )

Write the first three terms of the following sequences defined by:

tn = 2n+5

Answer :

Given: tn = 2n + 5


Taking n = 1, we get


t1 = 2(1) + 5 = 2 + 5 = 7


Taking n = 2, we get


t2 = 2(2) + 5 = 4 + 5 = 9


Taking n = 3, we get


t3 = 2(3) + 5 = 6 + 5 = 11


Hence, the first three terms are 7, 9 and 11.


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