-1 5/6 ÷ -3 1/3 in fraction form

Find the given elements if matrix d:

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?