1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
If 15P6 =x15P...
Question
If
15
P
6
=
x
15
P
5
,
then the value of
x
is
A
5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
6
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
9
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
10
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is
D
10
15
P
6
=
x
15
P
5
∵
n
P
r
n
P
r
−
1
=
n
−
r
+
1
⇒
15
P
6
15
P
5
=
15
−
6
+
1
=
10
⇒
x
=
10
Suggest Corrections
0
Similar questions
Q.
If
x
takes the value
5
, then the value of
x
+
20
is
Q.
Write the polynomial in standard form and also write down their degree.
4
p
+
15
p
6
−
p
5
+
4
p
2
+
3
Q.
If
x
=
log
2
√
3
1728
, then the value of x is