Higher Math 2nd Paper MCQ-Jessore Board-2021

1. If $x^{2}=4-4 y^{2}$ be an equation of ellipse -

i. parametric coordinates of the ellipse is $(2 \cos \theta, \sin \theta)$

ii. the minor axis lies along $\mathrm{x}$-axis

iii. distance between the foci is $2 \sqrt{3}$

Which one is correct below?

2. Which of the following relation is true?

$\tan ^{-1} 3=A, \tan ^{-1} 2=B$ and $A+B+C=\pi$

3. For which values of $k$ the roots of the equation $\mathrm{kx}^{2}+4 \mathrm{x}+4=0$ will be complex number?

4. What is the eccentricity of the hyperbola $x^{2}-4 y^{2}-2 x=3$ ?

5. If $L=8, Q=30, x=6$, then what is the value of $\mathbf{P}$ ?