limit
There are three sets B1, B2 and B3. B1 contains 3 men and 1 women; B2 contains 2 men and 2 women, B3 contains 1 men and 3 women. A set is selected and a person is chosen. If the chosen person is women. What is the probability that she has come from the set B1.
find all the zeroes of 2xpower4-3xpower3-3xpower2+6x-2 if you know that two of its are root2 and -root2
Find the quadratic polynomial, the sum and product of whose zeroes are - 3and 2, respectively