Two numbers have a sum of 42. the larger number is 6 more than the smaller. find the nunbers

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x, y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis