VITEEE Maths Test - 9 - JEE MCQ

If then the determinant of A² - 2A is

If z₁ and z₂ are two non-zero complex numbers such that | z₁ + z₂ | = | z₁ | + | z₂ | , then Arg z₁ − Arg z₂ is

Let f(x) = log |x - 1|, x ≠ 1. The value of is

If f : ℝ → ℝ is defined by then f is continuous on the set

The solution of the equation cosylog(secx+tanx)dx=cosxlog(secy+tany)dy is

The differential equation admits

The differential equation of family of lines which passes (1,-1) is

The solution of the equation (dy/dx)=cotx coty is

(d/dx)[tan^-1(secx+tanx)]=

R is the set of real numbers and f : R → R and g : R are defined by f(x) = 3x² + 2 and g(x) = 3x - 1 for all x ∈ R. Then

If cos(2sin^-1x)=(1/9), then x=

The value of 

The value of the  is

The statement "x > 5 or x < 3" is true if x equals

If A and B are two matrices such that AB=B and BA=A, then A²⁺B²=

If A and B are the matrices of same order such that AB = A and BA = B, then A and B are

How many words can be formed from the letters of the word COMMITTEE?

The probability that a teacher will give an unannounced test during any class meeting is 1/5. If a student is absent twice, then the probability that the student will miss at least one test is

Two dice are thrown, the probability that the sum of the points on two dice will be 7 is

A sum of money is rounded off to the nearest rupee. The probability that round off error is at least ten paise is

In , then the triangle is

The most stable measure of central tendency is