Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Mathematics
The positive integral value(s) of ' p ' for which the origin lies inside the triangle formed by the lines L 1: 15 x +2 y =30, L 2: 5 x - y +15=0 and L 3: px - y +6 p -15=0 is(are)
Q. The positive integral value(s) of '
p
' for which the origin lies inside the triangle formed by the lines
L
1
:
15
x
+
2
y
=
30
,
L
2
:
5
x
−
y
+
15
=
0
and
L
3
:
p
x
−
y
+
6
p
−
15
=
0
is(are)
317
148
Straight Lines
Report Error
A
1
27%
B
2
63%
C
4
51%
D
5
122%
Solution:
for the origin to lie inside the triangle slope of the line
L
3
must be
(
0
,
2
5
)
∴
Positive integral values of
p
are 1 and 2 .