1
MHT CET 2021 21th September Evening Shift
+2
-0

If $$\mathrm{p}$$ is the length of the perpendicular from origin to the line whose intercepts on the axes are a and $$b$$, then $$\frac{1}{a^2}+\frac{1}{b^2}=$$

A
$$\mathrm{p}^2$$
B
$$\frac{1}{2 \mathrm{p}^2}$$
C
$$2 p^2$$
D
$$\frac{1}{\mathrm{p}^2}$$
2
MHT CET 2021 21th September Evening Shift
+2
-0

If the lines $$x^2-4xy+y^2=0$$ make angles $$\alpha$$ and $$\beta$$ with positive direction X-axis, then $$\cot^2\alpha+\cot^2\beta=$$

A
14
B
16
C
18
D
20
3
MHT CET 2021 21th September Morning Shift
+2
-0

If the two lines given by $$a x^2+2 h x y+b y^2=0$$ make inclinations $$\propto$$ and $$\beta$$, then $$\tan (\alpha+\beta)=$$

A
$$\frac{h}{a+b}$$
B
$$\frac{2 h}{a+b}$$
C
$$\frac{\mathrm{h}}{\mathrm{a}-\mathrm{b}}$$
D
$$\frac{2 h}{a-b}$$
4
MHT CET 2021 21th September Morning Shift
+2
-0

If the polar co-ordinates of a point are $$\left(\sqrt{2}, \frac{\pi}{4}\right)$$, then its Cartesian co-ordinates are

A
$$(\sqrt{2}, 2)$$
B
$$(1,-1)$$
C
$$(2, \sqrt{2})$$
D
$$(1,1)$$
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Calculus
Coordinate Geometry
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