1
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A ray of light is sent along the line $$x-2 y+5=0$$. Upon reaching the line $$3 x-2 y+7=0$$, the ray is reflected from it. The equation of the line containing the reflected ray, is

A
$$2 x-29 y+33=0$$
B
$$29 x-2 y+33=0$$
C
$$2 x+29 y-33=0$$
D
$$29 x+2 y-33=0$$
2
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A unit vector perpendicular to both the vectors $$\hat{\mathbf{i}}+\hat{\mathbf{j}}$$ and $$\hat{\mathbf{j}}+\hat{\mathbf{k}}$$ is

A
$$\frac{-\hat{\mathbf{i}}-\hat{\mathbf{j}}+\hat{\mathbf{k}}}{\sqrt{3}}$$
B
$$\frac{\hat{\mathbf{i}}+\hat{\mathbf{j}}-\hat{\mathbf{k}}}{3}$$
C
$$\frac{\hat{\mathbf{i}}+\hat{\mathbf{j}}+\hat{\mathbf{k}}}{\sqrt{3}}$$
D
$$\frac{\hat{\mathbf{i}}-\hat{\mathbf{j}}+\hat{\mathbf{k}}}{\sqrt{3}}$$
3
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

Find the solution of equation $$\frac{d y}{d x}=\frac{1}{\cos (x+y)}$$

A
$$\cot \left(\frac{x+y}{2}\right)+c$$
B
$$\sec \left(\frac{x+y}{2}\right)+c$$
C
$$\tan \left(\frac{x+y}{2}\right)+c$$
D
$$-\cot \left(\frac{x-y}{2}\right)+c$$
4
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

Find the solution of $$\frac{d y}{d x}=\frac{1}{\cos (x-y)}$$

A
$$-\cot \left(\frac{x+y}{2}\right)+c$$
B
$$\operatorname{cosec}^2\left(\frac{x+y}{2}\right)+c$$
C
$$\tan \left(\frac{x+y}{2}\right)+c$$
D
$$\cot \left(\frac{x-y}{2}\right)+c$$
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