Trig Max/Min to Quadratic Roots (Jee Mains) | ExamDuo
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Advanced Identities & Values
Medium
Trig Max/Min to Quadratic Roots
Let
α
=
max
x
∈
R
{
8
2
sin
3
x
.
4
4
cos
3
x
}
and
beta
=
min
x
∈
R
{
8
2
sin
3
x
.
4
4
cos
3
x
}
.
If
8
x
2
+
b
x
+
c
=
0
is a quadratic equation whose roots are
α
1
∕
5
and
β
1
∕
5
,then the value of
c
−
b
is equal to :
Ask about this question
SELECT ONE OPTION
A
42
B
47
C
43
D
50
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