The shaft is made of l2 tool steel, has a diameter of 40 mm, and is fixed at its ends a and b. It is subjected to the couple shown where f=3. 2 kn.

Simplify using positive exponents only.

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

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