Evaluating Derivative of x^2, x^3+x+1 and 1/x and the Tangent Lines at x=-1
Linearity of y=x+1, y=2x+1, y=1, y=x^2+x+1, y=x^1+1, y=1/x, y=sin(x), y=sqrt(x), y=x+1/(1-x), 5x+2y-1=0 and y=x+c^2
Finding the number of elements, nodes, loops and branches of a circuit
Determine the resistance of the resistor, and .
Finding power and conductance of resistors from the current and resistance
Finding the power of elements and determining which one is supplying power and which one is absorbing it.