Question
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Tutor-Verified Answer
Answer
化简后的表达式为
。
Solution
将表达式
化简如下:
答案:
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The Deep Dive
To simplify
, let’s first look at the expression inside the parentheses. We can factor out
from
:
Now, substituting this back into the original expression, we have:
Next, the
in the numerator and the
in the denominator will cancel each other out:
So, the expression simplifies to:
Thus,
.