Abel Prize and Maths in India

Belgian mathematician  Pierre Deligne , who is regarded as one of the most celebrated mathematicians of the 20th century, has been chosen...

Mathematical Formula's (CSAT)

(a + b)(a – b) = a 2 – b 2 (a + b + c) 2 = a 2 + b 2 + c 2 + 2(ab + bc + ca) (a ± b) 2 = a 2 + b 2 ± 2ab (a + b + c + d) 2 = a...

CSAT (Some Examples wid solutions)

Question If both 11 2 and 3 3 are factors of the number a * 4 3 * 6 2 * 13 11 , then what is the smallest possible value of a? 1...

Permutation (CSAT)

Definition of Permutation Permutation is an order arrangement of a group of objects. permutations examples: Suppose Amy, Brian, and Charl...

Trigonometric functions

Consider the triangle with sides of length and hypotenuse c >0 as in Figure 1 below: Figure 1 For the angle pictured in t...