Question

Find the 21st term of the AP:3,1\2,2,........

Answer 1

Answer:

Which class question this is

Answer 2

Answer:

The 21st term of the AP:3,1\2,2,... is 33

Step-by-step explanation:

Given,

First term,a=3

Common difference,d=(1/2)/

Formula for finding the 21st term is

a21=a+(21-1)d

a21=3+20*3/2

a21=3+10*3

a21=33

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