(1/3^-2-1/2^-3)/1/4^-2
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Answer:
(
2
1
)
−2
+(
3
1
)
−2
+(
4
1
)
−2
= (
1
2
)
2
+(
1
3
)
2
+(
1
4
)
2
=(2
2
+3
2
+4
2
)
= 4 + 9 + 16 = 29
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