1
AP EAPCET 2025 - 26th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The vector equation of a plane passing through the line of intersection of the planes $\mathbf{r} \cdot(\hat{\mathbf{i}}-2 \hat{\mathbf{k}})=3, \mathbf{r} \cdot(2 \hat{\mathbf{j}}+\hat{\mathbf{k}})=5$ and the point $\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+3 \hat{\mathbf{k}}$ is

A

$\mathbf{r} \cdot(\hat{\mathbf{i}}+4 \hat{\mathbf{j}})=13$

B

$\mathbf{r} \cdot(\hat{\mathbf{i}}+6 \hat{\mathbf{j}}+\hat{\mathbf{k}})=18$

C

$\mathbf{r} \cdot(\hat{\mathbf{i}}+2 \hat{\mathbf{j}}-\hat{\mathbf{k}})=8$

D

$\mathbf{r} \cdot(\hat{\mathbf{i}}+8 \hat{\mathbf{j}}+2 \hat{\mathbf{k}})=23$

2
AP EAPCET 2025 - 26th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The points $A(-1,2,3), B(2,-3,1)$ and $C(3,1,-2)$

A

are collinear

B

form an isosceles triangle

C

form a right-angled triangle

D

form a scalene triangle

3
AP EAPCET 2025 - 26th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The directions cosines of the line making angles $\frac{\pi}{4}, \frac{\pi}{3}$ and $\theta\left(0<\theta<\frac{\pi}{2}\right)$ respectively with $X, Y$ and $Z$ axes are

A

$\frac{1}{\sqrt{2}}, \frac{1}{2}, \frac{1}{2}$

B

$\frac{1}{\sqrt{2}}, \frac{1}{2}, \frac{\sqrt{3}}{2}$

C

$\frac{1}{\sqrt{2}}, \frac{1}{2}, \frac{1}{\sqrt{2}}$

D

$\frac{1}{\sqrt{2}}, \frac{\sqrt{3}}{2}, \frac{1}{\sqrt{2}}$

4
AP EAPCET 2025 - 26th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the equation of the plane passing through the point $(3,2,5)$ and perpendicular to the planes $2 x-3 y+5 z=7$ and $5 x+2 y-3 z=11$ is $x+b y+c z+d=0$, then $2 b+3 c+d=$

A

0

B

35

C

1

D

20

AP EAPCET Subjects

Browse all chapters by subject