(√x)-⅔ √y⁴ + √(xy)-½
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Step-by-step explanation:
(
x
)
3
−2
y
4
÷
xy
2
−1
=(x
2
1
)
3
−2
(y
4
)
2
1
÷(xy
2
−1
)
2
1
=x
3
−1
y
2
÷x
2
1
y
4
−1
since (a
m
)
n
=a
mn
=
x
2
1
y
4
−1
x
3
−1
y
2
=x
3
−1
+
2
1
y
2+
4
1
since a
−m
=
a
m
1
=x
6
−2+3
y
4
9
=x
6
1
y
4
9
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