Fear + loathing = algebra. Unless you're one of the thousands of 9-year-old Americans to have discovered that algebra = fun The equation on the blackboard reads 2 (3x + 1) = x + 22. "Who wants to ...

Now, we know that I3 = I1 + I2, so V IN must be a nice linear function of V OUT and I1, namely: where F1 and F2 are functions of R1, R2, C1, and C2—and of frequency. We derived that equation just by ...

Removing brackets is to multiply the term outside the brackets by each term inside - also known as the distributive law. Use FOIL to remove a pair of brackets then simplify by collecting like terms.

Quadratic equations and other equations is another important topic which is often given in the entrances to test the aptitude of the aspirants. Students find this chapter tricky to handle and hence we ...