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Question

# Choose a proper fraction out of the following-

A

x2 3x + 3

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B

3x3 7x2 + 5x2 + 3

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C

x 3x + 3

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D

x 3x2 + 3

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Solution

## The correct option is D x − 3x2 + 3 According to the definition of a proper fraction, it is any rational algebraic function which has its degree of numerator less than the degree of denominator. In option A the degree of numerator is 2 whereas the degree of denominator is 1. In option B degree of numerator is 3 and the degree of denominator is 2. In option C both in the numerator and in the denominator the degree is same. We can see that only in option D we have denominator degree more than the numerator degree.

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