If x^2+m x+n is an integer for all integral values of x , then which of the following is/are correct? 1. m must be an integer 2. n must be an integer Select the correct answer using the code given below:

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Correct answer: C. Both 1 and 2

Let n be an integer and n=0 aligned & & x^2+m x & =0 & & x(x+m) & =0 & & x & =0, x=-m aligned Since n is integer, therefore m is also integer.

If x^2+m x+n is an integer for all integral values of x , then which of the following is/are correct? 1. m must be an integer 2. n must be an integer Select the correct answer using the code given below:

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