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

If $l, m, n$ and $a, b, c$ are direction cosines of two lines, then

A

they are parallel when $l a+m b+n c=0$

B

they are perpendicular when $\frac{1}{a}=\frac{m}{b}=\frac{n}{c}$

C

the direction ratios of the bisectors of the angles between the two lines are $l \pm a, m \pm b$ and $n \pm c$

D

the direction ratios of the bisectors of the angles between the two lines are la, $m b$ and $n c$

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

If $(2,-1,3)$ is the foot of the perpendicular drawn from the origin to a plane, then the equation of that plane is

A

$2 x+y-3 z+6=0$

B

$2 x-y+3 z-14=0$

C

$2 x-y+3 z-13=0$

D

$2 x+y+3 z-10=0$

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

$$ \lim _{n \rightarrow \infty} \frac{1}{n^3} \sum_{k=1}^n\left(k^2 x\right)= $$

A

$x$

B

$x / 2$

C

$x / 3$

D

$x / 4$

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

The quadratic equation whose roots are

$$ l=\lim _{\theta \rightarrow 0}\left(\frac{3 \sin \theta-4 \sin ^3 \theta}{\theta}\right) \text { and } m=\lim _{\theta \rightarrow 0}\left(\frac{2 \tan \theta}{\theta\left(1-\tan ^2 \theta\right)}\right) \text { is } $$

A

$x^2-5 x+6=0$

B

$x^2+5 x+6=0$

C

$x^2-5 x-6=0$

D

$x^2+5 x-6=0$

TS EAMCET Papers

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