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nawafcanada
24.11.2021 •
Mathematics
Câu 1 Trong các khẳng định sau, khẳng định nào đúng với mọi giá trị của ?
A. 6 5 . + + x x B. 5 6 . x x
C. 6 5 . x x 2 2 D. 6 5 . x x
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Ответ:
Question:
Which is the value of the expression
A. 1
B. 2
C. 8
D. 10
B. 2
Step-by-step explanation:
Given
Required
Evaluate
Split Fraction
From Laws of Indices
Applying this law to the above expression, we have
Also, from Laws of Indices
Applying this law to the above expression, we have
Multiply 10 by 1
Hence,