MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

⇐ BackProceed to Checkout ⇒
There are no items in this cart.
Continue Shopping
Menu
Grade: 12th pass 
        
 Find the values of a, if ax2 – 4x + 9 = 0 has integral roots
2 years ago

Answers : (1)

View Solution
Vikas TU
9484 Points 
							
Reposting the answeras U have asked it twice,
For the roots to be integer the D that is the discriminat of the quadratic should be a perfect square and a= 1 with b and c should be integers which is howevr fulfilling the condtion.
Thereofre for a =1 the eqn. would have integera roots.
2 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Other Related Questions on Algebra

If ​ x log y =log x then show that dy​/dx= y[1-logxlogy]/x(log 2 x) Answer & Earn Cool Goodies
Three urns of same appearance have balls Urn1: 2 black and 1 white Urn 2: 1 black and 2 white Urn 3:... Answer & Earn Cool Goodies
for a given value of k the product of the solutions of x^2-3kx+2k^2-1=0 is 7. Are the roots...
1/[x]-1/[3x]=2/9 where [x] is greatest integer function find the value of x
if α and β are the roots of ax²+bx+c=0, then find roots of a(x-2)²-b(x-2)(x-3)+c(x-3)²=0,
View all Questions »


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

  • 101 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