Find the value of: (12) ^−2 +(13)^ −2 +(14) ^−2
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Answer:
Answer
Given that (
2
1
)
−1
+(
3
1
)
−2
+(
4
1
)
−2
The above equation is in the form of a
−m
=(
a
m
1
)
By applying this law we get (
2
1
)
−1
+(
3
1
)
−2
+(
4
1
)
−2
=2+3
2
+4
2
On simplifying 2+3
2
+4
2
=2+9+16=27
Step-by-step explanation:
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