1
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

The equation of line, where length of the perpendicular segment from origin to the line is 4 and the inclination of this perpendicular segment with the positive direction of X-axis is 30$$^\circ$$, is

A
$$ x+\sqrt{3} y=8 $$
B
$$ x-\sqrt{3} y=8 $$
C
$$ \sqrt{3x} -y=8 $$
D
$$ \sqrt{3x} +y=8 $$
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

If two lines represented by $$a x^2+2 h x y+b y^2=0$$ makes angles $$\alpha$$ and $$\beta$$ with positive direction of $$\mathrm{X}$$-axis, then $$\tan (\alpha+\beta)=$$

A
$$\frac{2 h}{b-a}$$
B
$$\frac{2 h}{a-b}$$
C
$$\frac{h}{a+b}$$
D
$$\frac{2 h}{a+b}$$
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

The combined equation of a pair of lines passing through the origin and inclined at $$60^{\circ}$$ and $$30=$$ respectively with $$x$$-axis is

A
$$\sqrt{3}\left(x^2+y^2\right)=2 x y$$
B
$$\sqrt{3}\left(x^2+y^2\right)=4 x y$$
C
$$4\left(x^2+y^2\right)=\sqrt{3} x y$$
D
$$2\left(x^2+y^2\right)=\sqrt{3} x y$$
4
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+2
-0

If the sum of slopes of lines represented by $$\mathrm{ax^2+8xy+5y^2=0}$$ is twice their product, then a =

A
$$-$$4
B
5
C
$$-$$2
D
$$-$$8
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