Question

find 2nd and 3rd term of the sequence whose nth term is given by tn= 2n-5

Answer 1

As nth term = 2n -5
So -----
2nd term will be _____

We will get it by replacing n = 2 in equation
So
2nd term = 2×2-5 = -1

For 3rd term ___
n=3
= 2×3-5 = 1


So 2nd term is -1 and 3rd term will be 1

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Answer 2

t2=? t3 =?
t2 =2(2)-5
=4-5
=-1
t2 =-1
t3=2(3)-5
=6-5
t3=1
therefore t2=-1 and t3 =1