Question

y=4x+7
4x+11y+7=0 find -intercept of two lines
​

Answer 1

Answer:

Step-by-step explanation:

Given lines are 2x+11y−7=0 and x+3y+5=0

⇒y=−  

11

2

​  

x+  

11

7

​  

 

and y=−  

3

1

​  

x−  

3

5

​  

 

Their, slopes are m  

1

​  

=−  

11

2

​  

 and m  

2

​  

=−  

3

1

​  

 

Therefore, angle between lines is  

tanθ=  

1+m  

1

​  

m  

2

​  

 

m  

1

​  

−m  

2

​  

 

​  

 

=  

1+  

11

2

​  

×  

3

1

​  

 

−  

11

2

​  

+  

3

1

​  

 

​  

=  

35

5

​  

 

Thus θ=tan  

−1

(  

7

1

​  

)