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If 2x^2+ x + m is divisible by x - 2, then it is also divisible by A. x + 3 B. 2x –...
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`f(x) = 2x^2 +x + m`
Since f(x) is divisible by (x-2) then by remainder theorem;
`f(2) = 2(2)^2 + 2+m =0`
`f(x) = 2x^2+x-10`
`=2x^2 -4x +5x – 10`
`= 2x (x-2)+5(x-2)`
So the other factor is (2x+5). f(x) is divisible by (2x+5). Correct answer is E).
Posted by jeew-m on September 5, 2013 at 2:13 AM (Answer #1)
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