BITSAT SERIES Quantitative-aptitude
Quadratic Equations
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
2
2020 1
2019 2
2016 Chapter Questions 5 MCQs
01
PYQ 2016
medium
quantitative-aptitude ID: bitsat-2
If a,b,c are real numbers then the roots of
(x-a)(x-b)+(x-b)(x-c)+(x-c)(x-a)=0 are always
1
real
2
imaginary
3
positive
4
negative
02
PYQ 2016
medium
quantitative-aptitude ID: bitsat-2
If α,β are the roots of the equation x²-2x-1=0, then the value of α²β²+α-α²β² is
1
2
3
4
34
03
PYQ 2019
medium
quantitative-aptitude ID: bitsat-2
If a,b are non-zero roots of x²+ax+b=0, then the least value of x²+ax+b is
1
2
3
4
1
04
PYQ 2020
medium
quantitative-aptitude ID: bitsat-2
If a,b,c are real numbers then the roots of the equation
(x-a)(x-b)+(x-b)(x-c)+(x-c)(x-a)=0
are always
1
real
2
imaginary
3
positive
4
negative
05
PYQ 2020
medium
quantitative-aptitude ID: bitsat-2
If α,β are the roots of
x²-2x-1=0,
then the value of α²β²-α²-β² is
1
2
3
4
34