1 3, 2 3, 3 3, 4 3, 2. Arithmetic Progression (AP): It is a list of numbers in which each term is obtained by adding a fixed number to the preceding term except the first term. 3. Common difference (d ...

India celebrates National Mathematics Day on December 22 to commemorate the birth anniversary of the Indian mathematician Srinivasa Ramanujan. He shaped twentieth-century mathematics with his ...