+0  
 
0
90
1
avatar

Let a be a real number for which there exists a unique value of b such that the quadratic equation x^2 + 2bx + (a-b) = 0 has one real solution. Find a.

 Feb 26, 2020
 #1
avatar
0

The correct value of a is 4.

 Feb 27, 2020

6 Online Users