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Question

Which of the following terms is absent in irreducible form of 5x2+ 15x2+ 10xy + 30x


A

5

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B

x+2

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C

y+3

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D

x+1

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Solution

The correct option is D

x+1


5x2>+ 15x2+ 10xy + 30x = 5x(xy+3x+2y+6) = 5x(x+2)(y+3)

x+1 is absent in the irreducible form.


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