If 5 + 61 is a root of the polynomial function f(x), which of the following must also be a root of f(x)?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

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

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b