1.

(1/3^-2-1/2^-3)/1/4^-2​

Answer»

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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