Pascal Triangle


You might be knowing the expansion of  (a + b)2. Expansion of   (a + b)2 = a2 + 2ab + b2.  Similarly, (a + b)3 = a3 + 3a2b + 3ab2 + b3.If someone asks you to find the expansion of (a + b)10 or (a + b)15? But expansions involving such large numbers … Read more

What Is Pi?


Have you ever heard of pi? No. I am not talking about an apple pie or a chocolate pie. Pi is a number that never ends. It goes on and on and on… In fact Pi = 3.1415926535… Even all around the world March 14 (March – 3) is celebrated as a PI Day! And … Read more