MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 12
        
The lines joining the origin to the point of intersection of 3x^2 + lambda xy+ -4x +1=0 and 2x+y-1=0 are at right angles for 
A) lambda=-4
B) lambda=4
C) lambda =7
D) No value of lambda 
one month ago

Answers : (1)

Arun
22825 Points
							
Dear student
 
As we know for perpendicularity, coeff of x^2 + coeff of y^2 = 0
 
no use of coeff of xy
 
hence if it is perpendicular, then for every value of lambda, it is perpendicular
one month ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 731 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 53 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details