Question

answer the question​

Answer 1

an=a+(n-1)d

a3=a+2d=6

a17=a+16d=34

subtracting the above two equations

14d=28

d=2

therefore

a=2

a12=a+(12-1)d

=2+11*2

=24

Hope this helps.

Answer 2

Answer:

a3= a+ 2d____(1)

a17=a+16d____(2)

by solving 1 and 2 we get the value 'a' and 'd' as 2

a=2,d=2

there fore putting the values and solving a12

we get the 12th term

which is a12= 24

I hope you understood

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