Cho khối lăng trụ có đáy là hình vuông a và chiều cao bằng 2a. Thể tích của khối lăng trụ đã cho bằng bao nhiêu
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We are asked to evaluate .
- The notation |x| denotes absolute value.
The absolute value of a number is its distance from zero.
Absolute value is always positive; distances can't be negative, right?
So we need to find the absolute value of 98, which is:
Remember this...
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