Most Important Selected Qs for JEE AdvancedMathematicsQuadratic Equation
Let f(x)=a x^2+2 b x-3 c has no real root and 3 c 4 < a+b , then:
Options
- Aa>0
- Bc < 0
- Ca+|b|> 3 c 4
- Db < 0
Correct answer
C. a+|b|> 3 c 4
Step-by-step solution
4 a+4 b-3 c>0 f(2)>0
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