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Byju's Answer
Standard VIII
Mathematics
Cube Root Using Prime Factorisation
If 3x=270, ...
Question
If
3
x
=
270
, then find
3
x
−
3
.
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Solution
Given,
3
x
=
270
.
Now,
3
x
−
3
=
3
x
3
3
=
270
27
[ Using value of
3
x
]
=
10
.
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