1.

If 3+x,x-3,-2x+12 are in A.P., then value of x is: *I

Answer»

Answer:

9

Since 2x+1,3x−3,3x+2 are in A.P.

∴(3x−3)−(2x+1)=3x+2−(3x−3)

⇒2(3x−3)=3x+2+2x+1

⇒6x−6=5x+3

⇒x=9



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