1
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
If p, q are the roots of the equation x2 + px + q = 0, then
A
p = 1, q = $$-$$ 2
B
p = 0, q = 1
C
p = $$-$$ 2, q = 0
D
p = $$-$$ 2, q = 1
2
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
The number of values of k, for which the equation x2 $$-$$ 3x + k = 0 has two distinct roots lying in the interval (0, 1), are
A
three
B
two
C
infinitely many
D
no value of k satisfies the requirement
3
WB JEE 2016
MCQ (Single Correct Answer)
+2
-0.5
If $$\alpha$$ and $$\beta$$ are roots of ax2 + bx + c = 0, then the equation whose roots are $$\alpha$$2 and $$\beta$$2, is
A
a2x2 $$-$$ (b2 $$-$$ 2ac) x + c2 = 0
B
a2x2 + (b2 $$-$$ ac) x + c2 = 0
C
a2x2 + (b2 + ac) x + c2 = 0
D
a2x2 + (b2 + 2ac) x + c2 = 0
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