14. If the pair of lines given by (x2 + y2 )sin’a =(x Cos a- y Sina) areperpendicular to each other then a =TT1) 2) 0 3)24377A)wla23.

admin

Your email address will not be published. Required fields are marked *

Comment *

Name *

Email *

Website

Save my name, email, and website in this browser for the next time I comment.