Mathematics

Question: If 23 1 30 1 11 1 i ii i = A + iB where i = -1 then […]

Question: Consider the following statements in respect of the determinant D = kk k kk ()++ ++ 22 11 21

Question: If D = ab c de f gh i and A, B, C, D and G are the cofactors

Question: If x = (1111)2, y = (1001)2 and z = (110)2, then what is x3 – y3 – z3

Question: If p, 1 and q are in AP and p and 2 q are in GP, then which of

Question: If the 5 th, 7 th and 13 th terms of an AP are in GP, then what is

Question: If x y+ 5 = 4 and y x+ 5 = -4, then what is (x + y) equal

Question: If one root of the equation x2 – kx + k = 0 exceeds the other by 23 then

Question: The sum of the first 8 terms of a GP is 5 times the sum of its first 4

Question: The sum of the first k terms of a series is 3k2 + 5k. Which one of the following