Analytical Geometry

New kid on the Block

Joined: 5 Apr 2012
Post: 1
5 Apr 2012 20:18:55 IST
0 People liked this
3
470 View Post
if the line (3x-8y+5)+a(5x-3y+10) is parallel to x-axis, then find a
Engineering Entrance , JEE Main , JEE Main & Advanced , Mathematics , Analytical Geometry

if the line (3x-8y+5)+a(5x-3y+10) is parallel to x-axis, then find a



Comments (3)


Cool goIITian

Joined: 19 Jan 2012
Posts: 34
5 Apr 2012 20:38:36 IST
0 people liked this

a=-3/5
Bipin Dubey's Avatar

Forum Expert
Joined: 23 Jan 2007
Posts: 7958
5 Apr 2012 21:21:29 IST
0 people liked this

(3x-8y+5)+a(5x-3y+10)=0  =>  (3+5a)x - (8+3a)y + (5+10a) = 0

Since the line is parallel to x-axis the coefficient of x in the equation must be zero.

3+5a=0  =>  a = -3/5


Hot goIITian

Joined: 4 Apr 2012
Posts: 121
5 Apr 2012 21:24:36 IST
0 people liked this

simple man................ It's -3/5



Quick Reply


Reply

Some HTML allowed.
Keep your comments above the belt or risk having them deleted.
Signup for a avatar to have your pictures show up by your comment
If Members see a thread that violates the Posting Rules, bring it to the attention of the Moderator Team
Free Sign Up!
Sponsored Ads

Preparing for JEE?

Kickstart your preparation with new improved study material - Books & Online Test Series for JEE 2014/ 2015


@ INR 5,443/-

For Quick Info

Name

Mobile

E-mail

City

Class

Vertical Limit

Top Contributors
All Time This Month Last Week
1. Bipin Dubey
Altitude - 16545 m
Post - 7958
2. Himanshu
Altitude - 10925 m
Post - 3836
3. Hari Shankar
Altitude - 10085 m
Post - 2217
4. edison
Altitude - 10825 m
Post - 7804
5. Sagar Saxena
Altitude - 8635 m
Post - 8064
6. Yagyadutt Mishr..
Altitude - 6330 m
Post - 1958

Find Posts by Topics

Physics

Topics

Mathematics

Chemistry

Biology

Parents Corner

Board

Fun Zone