For all the real numbers x expression a^2x^2+bx+1 will be positive ifb^2>4a^2b^2\t4b^2>a^2\t4b^2
Bhavesh , 8 Years ago
Grade 11
Algebra> For all the real numbers x expression a^2...
1 AnswersVikas TU
Last Activity: 8 Years ago
For all the real numbers x expression a^2x^2+bx+1
Its Discriminant should be less than zero always.
D
b^2 – 4a^2
Or
b^2
and also
a > 0
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