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Question 195 - Algebra Practice | Prasnya
Q195
00:00
27 Nov 2022
Q195.
If
(
7
5
)
3
x
−
y
=
875
2401
\left(\sqrt{\dfrac{7}{5}}\right)^{3x-y} = \dfrac{875}{2401}
(
5
7
)
3
x
−
y
=
2401
875
and
(
4
a
b
)
6
x
−
y
=
(
2
a
b
)
y
−
6
x
\left(\dfrac{4a}{b}\right)^{6x-y} = \left(\dfrac{2a}{b}\right)^{y-6x}
(
b
4
a
)
6
x
−
y
=
(
b
2
a
)
y
−
6
x
, for all non-zero real values of
a
a
a
and
b
b
b
, then the value of
x
+
y
x+y
x
+
y
is
Your Answer
Save
Check
Details
Q195
00:00
27 Nov 2022
Q195.
If
(
7
5
)
3
x
−
y
=
875
2401
\left(\sqrt{\dfrac{7}{5}}\right)^{3x-y} = \dfrac{875}{2401}
(
5
7
)
3
x
−
y
=
2401
875
and
(
4
a
b
)
6
x
−
y
=
(
2
a
b
)
y
−
6
x
\left(\dfrac{4a}{b}\right)^{6x-y} = \left(\dfrac{2a}{b}\right)^{y-6x}
(
b
4
a
)
6
x
−
y
=
(
b
2
a
)
y
−
6
x
, for all non-zero real values of
a
a
a
and
b
b
b
, then the value of
x
+
y
x+y
x
+
y
is
Your Answer
Save
Check
Details
