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Byju's Answer
Standard VIII
Mathematics
Dividing Terms with the Same Exponent
B. pqrs x C. ...
Question
p
x
q
x
r
x
s
x
×
(
r
q
p
s
)
x
=
___
A
1
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B
(
q
r
p
s
)
2
x
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C
(
p
s
q
r
)
2
x
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D
(
p
q
r
s
)
x
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Solution
The correct option is
A
1
Using law of exponents,
a
m
b
m
=
(
a
b
)
m
.
⟹
p
x
q
x
r
x
s
x
=
(
p
q
)
x
(
r
s
)
x
=
⎛
⎜ ⎜ ⎜
⎝
p
q
r
s
⎞
⎟ ⎟ ⎟
⎠
x
=
(
p
s
q
r
)
x
=
(
p
s
)
x
(
q
r
)
x
Also,
(
r
q
p
s
)
x
=
(
r
q
)
x
(
p
s
)
x
.
⟹
p
x
q
x
r
x
s
x
×
(
r
q
p
s
)
x
=
(
p
s
)
x
(
q
r
)
x
×
(
r
q
)
x
(
p
s
)
x
=
1
Suggest Corrections
0
Similar questions
Q.
Question 9
In
Δ
P
Q
R
,
a) PQ - QR > PR
b) PQ + QR < PR
c) PQ - QR < PR
d) PQ + PR < QR
Q.
In
△
P
Q
R
,
∠
P
Q
R
=
90
o
,
Q
S
⊥
P
R
. If
P
Q
=
a
,
Q
R
=
b
,
R
P
=
c
and
Q
S
=
p
, show that
p
c
=
a
b
.
Q.
In
△
P
Q
R
,
P
D
⊥
Q
R
such that
D
lies on
Q
R
.
If
P
Q
=
a
,
P
R
=
b
,
Q
D
=
c
and
D
R
=
d
,
then
Q.
PQRS is a parallelogram in which
∠
Q
R
S
and
∠
P
Q
R
are in ratio 7 : 3. Find the sum of
∠
P
Q
R
and
∠
P
R
Q
.
Q.
−
34
p
3
q
2
r
17
p
2
q
=
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