Question
Fri November 09, 2012 By:

If the numbers x-2,4x-1 and 5x+2 are in AP find the value of x

Expert Reply
Fri November 09, 2012
Since the numbers are in AP
 
common difference = a2-a1=a3-a2
 
So, 4x-1-x+2 = 5x+2-4x+1
 
3x+1 = x+3
2x=2
x=1
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