IIIT Hyderabad Practice Quiz : Engineering Mathematics-3

Consider a function f(x) = √x²-9 in [3,5]. Which of the following is incorrect

If A =be such that A + A′ = I, then the value of α is

If A is 3 × 3 matrix and Trace A = 9, |A| = 24 and one of the eigen values is 3, then sum of other eigen values is ________.

Consider Vamshi decides to toss a fair coin repeatedly until he gets a tail. He makes almost 4 tosses. The value of variance (T) is ________ (variable T denotes the number of tails).

A random variable x has the following probability distribution.

The mean and variance of x is