If x² + mx + 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:

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

An urn contains one black ball and one green ball. A second urn contains one…

An urn contains one black ball and one green ball. A second urn contains one…

What is the most probable number of successes in 10 trials with probability of success…