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Grade: 11

                        

If a,b belongs to a is not eqal to zero and the quadratic equation ax^2-bx+1=0 has imaginary roots then a+b+1 is

2 years ago

Answers : (1)

Vikas TU
13783 Points
							
Dear student 
Let f(x) = ax^2 - bx + 1 ,as the equation has imagenary roots then
f(-1) would be positive if a>0 (Parabola opens up),
and f(-1) is negative if a
Hope this will help 
Good Luck 
one year ago
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