Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
a. (a) State the conditions that must be satisfied so that both roots of
x
2
−
2
(
k
+
1
)
x
+
k
(
k
−
3
)
=
0
x^{2} - 2(k+1)x + k(k-3) = 0
x
2
−
2
(
k
+
1
)
x
+
k
(
k
−
3
)
=
0
are real and positive. b. (b) Hence find the range of
k
k
k
for which these conditions hold.
Browse the problem library