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Byju's Answer
Standard XII
Mathematics
Standard Formulae - 1
If x and y sa...
Question
If x and y satisfy simul†an eously the equations {(2x)}^{\log2} ={(3y)}^{\log3 } and 3^{\log x} =2^{\log y} then the value of (x^{-1}+y^{-1}) is 4. (True or False)
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Similar questions
Q.
If
x
2
+
y
2
=
25
x
y
then show that
2
l
o
g
(
x
+
y
)
=
3
l
o
g
3
+
l
o
g
x
+
l
o
g
y
.
Q.
State whether True or False.
The H.C.F. and L.C.M. of:
x
2
−
y
2
and
x
2
−
x
y
is
x
−
y
;
x
(
x
+
y
)
(
x
−
y
)
If true then enter
1
and if false then enter
0
Q.
If
y
(
x
)
satisfies equations
(
1
+
e
x
)
d
y
d
x
+
y
e
x
=
1
and
y
(
1
)
=
3
1
+
e
then maximum value of
y
(
x
)
is
Q.
If
x
,
y
satisfy the equation
y
x
=
x
y
and
x
=
2
y
, then
x
2
+
y
2
=
r
, the value of
r
4
is
Q.
State true or false.
If x
≠
y, (x,y)
≠
(y,x) and if (x,y) = (y,x) then x = y.
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