X-1 , x+2, x-7. Are in AP then find the value of x.

1.	X-1 , x+2, x-7. Are in AP then find the value of x.
Answer» Infinity-1=oo ,oo+2=oo ,oo-7=oo so common diff. Will be 0(zero) No value of x.....??? X=oo (infinity)

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