Show that (3x-2) is a factor of (3x³+x²-20x+12)
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hey your ans is here
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to show (3x-2) as a factor of (3x3+x2-20x+12)
now
3x-2=0
3x=2
x=2/3
now put the values
3×(2/3)^3+(2/3)^2-20×2/3+12
3×8/27+4/9-40/3+12=0
hence proved!!
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-------
to show (3x-2) as a factor of (3x3+x2-20x+12)
now
3x-2=0
3x=2
x=2/3
now put the values
3×(2/3)^3+(2/3)^2-20×2/3+12
3×8/27+4/9-40/3+12=0
hence proved!!
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