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

 Jul 27, 2020
 #1
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is that on AoPS?

 Jul 27, 2020
 #2
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What's aops?? 
 

Edit: uhhh is it? Abstract of Operations System (US Coast Guard)?

Swim2433  Jul 27, 2020
edited by Swim2433  Jul 27, 2020
 #3
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a = 5/4.

 Jul 27, 2020

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