# If K , 2K-1 AND 2K+1 ARE THREE CONSECUTIVE TERMS OF AN AP., WHAT IS THE VALUE OF K?

by rshalliyavar

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by rshalliyavar

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given,

k , 2k-1 and 2k+1 are in a.p

then,

2k-1-k =2k+1-(2k-1)

k-1 = 2k+1-2k+1

k-1 =2

k =2+1

k =3

therefore k value is 3