if 2^x=3^y=12^z , show that 1/z =1/y + 1/x .
Answers
Answered by
2
Answer:
Let 2
x
=3
y
=12
z
=k.
Then, 2=k
1/x
,3=k
1/y
and 12=k
1/z
Now, 12=k
1/z
⇒2
2
×3=k
1/z
⇒(k
1/x
)
2
×k
1/y
=k
1/z
[∵2=k
1/x
and 3=k
1/y
]
⇒
k
x
2
+
k
z
1
⇒
x
2
+
y
1
=
z
1
Step-by-step explanation:
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Answered by
0
Step-by-step explanation:
Let 2
x
=3
y
=12
z
=k.
Then, 2=k
1/x
,3=k
1/y
and 12=k
1/z
Now, 12=k
1/z
⇒2
2
×3=k
1/z
⇒(k
1/x
)
2
×k
1/y
=k
1/z
[∵2=k
1/x
and 3=k
1/y
]
⇒
k
x
2
+
k
z
1
⇒
x
2
+
y
1
=
z
1
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