Maths-

General

Easy

Question

# The value of k for which the lines and are perpendicular is

- 3
- -1
- 2
- -2

## The correct answer is: 2

### Related Questions to study

maths-

### If the straight lines x=1+s,y=-3-λs,z=1+λs and , z=2-t, with parameters s and t respectively, are co planar, then λ=

### If the straight lines x=1+s,y=-3-λs,z=1+λs and , z=2-t, with parameters s and t respectively, are co planar, then λ=

maths-General

maths-

### If 5 cas

### If 5 cas

maths-General

physics-

### A boy begins to walk eastward along a street infront of his house and the graph of his displacement from home is shown in the following figure. His average speed for in the whole-time interval is equal to

### A boy begins to walk eastward along a street infront of his house and the graph of his displacement from home is shown in the following figure. His average speed for in the whole-time interval is equal to

physics-General

maths-

### The values of satisfying and are

### The values of satisfying and are

maths-General

physics-

### A body of mass is resting on a wedge of angle as shown in figure. The wedge is given at acceleration . What is the value of a son that the mass just falls freely?

### A body of mass is resting on a wedge of angle as shown in figure. The wedge is given at acceleration . What is the value of a son that the mass just falls freely?

physics-General

physics-

### A cyclist starts from the centre of a circular park of radius one kilometre, reaches the edge of the park, then cycles along the circumference and returns to the centre along as shown in figure. If the round trip takes ten minutes, the net displacement and average speed of the cyclist (in metre and kilometre per hour) is

### A cyclist starts from the centre of a circular park of radius one kilometre, reaches the edge of the park, then cycles along the circumference and returns to the centre along as shown in figure. If the round trip takes ten minutes, the net displacement and average speed of the cyclist (in metre and kilometre per hour) is

physics-General

physics-

### A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected)

### A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected)

physics-General

physics-

### Which of the following graphs cannot possibly represent one dimensional motion of a particle

### Which of the following graphs cannot possibly represent one dimensional motion of a particle

physics-General

physics-

### Which of the following graphs cannot possibly represent one dimensional motion of a particle

### Which of the following graphs cannot possibly represent one dimensional motion of a particle

physics-General

maths-

### The solution of is

### The solution of is

maths-General

maths-

### If

### If

maths-General

Physics-

### A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected)?

### A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected)?

Physics-General

physics-

### Acceleration velocity graph of a particle moving in a straight line is as shown in figure. The slope of velocity-displacement graph

### Acceleration velocity graph of a particle moving in a straight line is as shown in figure. The slope of velocity-displacement graph

physics-General

Physics-

### A cyclist starts from the centre of a circular park of radius one kilometre, reaches the edge of the park, then cycles along the circumference and returns to the centre along as shown in figure. If the round trip takes ten minutes, the net displacement and average speed of the cyclist (in metre and kilometre per hour) is

### A cyclist starts from the centre of a circular park of radius one kilometre, reaches the edge of the park, then cycles along the circumference and returns to the centre along as shown in figure. If the round trip takes ten minutes, the net displacement and average speed of the cyclist (in metre and kilometre per hour) is

Physics-General

maths-

### If then solutions of are in -

### If then solutions of are in -

maths-General