Three numbers a,b and c in order are in
a.p and if a = 24 and c = 50 then 2b =
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a=24
Tn=50
N=3
Then Tn=a+(n-1)d
50= 24+(3-1)d
26=2d
d=13
Now, t2=a+d
------- =24+13
b= 39
2b=78ans.
Tn=50
N=3
Then Tn=a+(n-1)d
50= 24+(3-1)d
26=2d
d=13
Now, t2=a+d
------- =24+13
b= 39
2b=78ans.
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