3rd term 2
5th term 3
write the first five term
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Answer:
If the 3rd term is 2 then
By the formula
Na= a+(n-1)d
2=a+(3-1)d
2=a+2d.
Now similarly for second
3=a+(5-1)d
3=a+4d
By elemination method
subtracting 2 eq from 1 we get
a+2d=2
a+4d=3
- - -
-2d=-1
d=1/2
Now we put the value of d in eq 1 we get
a+2*1/2=2
a+1=2
a=2-1
a=1
Now that we have
a=1
d=1/2
we can form the A.P
1 , 1.5 , 2 , 2.5 , 3
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