Mathematics – Class 11 Practice Test 4

1. i⁷ =______________

2. n³ + 5n is divisible by which of the following?

3. \(\sqrt{x^2+y^2}\) distance of point representing complex number x+y i from origin.

4. Find general solution to equation cot x = √3.

5. Which of the following will form the following graph?

6. Which one is correct for Napier’s Analogy?

7. z₁=1+2i and z₂=2+3i. Find z₁z₂.

8. If acosθ + bsinθ = c have roots α and β. Then, what will be the value of sinα + sinβ?

9. Which axis is known as real axis in argand plane?

10. cos 75° - cos 15° =___________________