Question

If 2k ,(4k-3) and (4k+4) are in Ap find tvalue of k

Answer 1

if these are in AP.
then 2b=a+c
2(4k–3)=2k + (4k+4)
hence k=5
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Answer 2

2b = a+ c
A=2k
B=4k-3
C=4k+4

2(4k-3)= 2k+4k+4
8k-6=6k+4
10 = 2k
Value of k= 5