1
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $k=\frac{a+b}{a b}$ is a non-zero constant, then the point which lies on the straight line $\frac{x}{a}+\frac{y}{b}=1$ is

A

$(k, k)$

B

$\left(k, \frac{1}{k}\right)$

C

$\left(\frac{1}{k}, k\right)$

D

$\left(\frac{1}{k}, \frac{1}{k}\right)$

2
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The point of concurrence of all the chords of the curve $3 x^2-y^2-2 x+4 y=0$ which subtend a right angle at the origin is

A

$(1,2)$

B

$(1,-2)$

C

$(-1,2)$

D

$(-1,-2)$

3
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The equation of a circle passing through $(-6,3)$ and touching both the coordinates axes is

A

$x^2+y^2+20 x-20 y+100=0$

B

$x^2+y^2+10 x-10 y+25=0$

C

$x^2+y^2+6 x-6 y+9=0$

D

$x^2+y^2-30 x+30 y+225=0$

4
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The area (in sq units) of the triangle formed by the $x$-axis, the tangent and the normal drawn to the circle $x^2+y^2=10 x$ at the point $(9,3)$ is

A

$75 / 4$

B

$75 / 8$

C

75

D

25

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