please help me
class 8
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given :- {(1/4)^-3 - (1/3)^-3)} - (1/4)^-2
= 4^3 - 3^2 - 4^2
= (4 × 4 × 4) - (3 × 3 × 3) - (4 × 4)
= 64 - 27 - 16
= 64 - 43
= 21
one more thing, a^-b = (1/a)^b
therefore (1/a)^-b = a^b
I used this here.. if you're having any doubt, feel free to ask in comment section
= 4^3 - 3^2 - 4^2
= (4 × 4 × 4) - (3 × 3 × 3) - (4 × 4)
= 64 - 27 - 16
= 64 - 43
= 21
one more thing, a^-b = (1/a)^b
therefore (1/a)^-b = a^b
I used this here.. if you're having any doubt, feel free to ask in comment section
Answered by
1
Answer:
=4^3-3^3-4^2
=64-27-16
=37-16
=21
Step-by-step explanation:
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