Question

Solve this immediately​

Answer 1

PT be the perpendicular from P on QR. Hence,QT=  

2

1

​  

QR

ST=QR(  

2

1

​  

−  

3

1

​  

)=  

6

1

​  

QR

PS  

2

=PT  

2

+ST  

2

 

also,PT=QTtan60  

∘

 

PT=  

3

​  

QT

PS  

2

=3QT  

2

+  

36

QR  

2

 

​  

 

PS  

2

=  

4

3QR  

2

 

​  

+  

36

QR  

2

 

​  

 

PS  

2

=  

36

28QR  

2

 

​  

=  

9

7QR  

2

 

​  

 

QR=PQ

9PS  

2

=7PQ  

2