If both the roots of ax 2 +bx+c=0 lies between -1 and +1, also c0, then which of thefolliwng is/are correct.? A)a B)a+|b|+c C)b 2 =0 D)b/a

Question

If both the roots of ax 2 +bx+c=0 lies between -1 and +1, also c>0, then which of thefolliwng is/are correct.? A)a B)a+|b|+c C)b 2 >=0 D)b/a

Vikas TU · Answer

If both the roots of ax 2 +bx+c=0 lies between -1 and +1, also c>0,then the graph would be parabola dowbwards as the intercept is positive. Hence a would be negative. and given that -b/2a lies in interval (-1,1). Hence, b can be both positive and negative. Correspondingle satifying the options accordingly.

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If both the roots of ax 2 +bx+c=0 lies between -1 and +1, also c>0, then which of thefolliwng is/are correct.? A)a B)a+|b|+c C)b 2 >=0 D)b/a

If both the roots of ax²+bx+c=0 lies between -1 and +1, also c>0,
then which of thefolliwng is/are correct.?
A)a
B)a+|b|+c
C)b²>=0
D)b/a

1 Answers

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If both the roots of ax 2 +bx+c=0 lies between -1 and +1, also c>0, then which of thefolliwng is/are correct.? A)a B)a+|b|+c C)b 2 >=0 D)b/a

If both the roots of ax2+bx+c=0 lies between -1 and +1, also c>0, then which of thefolliwng is/are correct.?A)aB)a+|b|+cC)b2>=0D)b/a

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If both the roots of ax²+bx+c=0 lies between -1 and +1, also c>0,
then which of thefolliwng is/are correct.?
A)a
B)a+|b|+c
C)b²>=0
D)b/a