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Suppose a - b = 0a−b=0a, minus, b, equals, 0. Which one of these expressions equals ababa, b?
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Suppose a - b = 0a−b=0a, minus, b, equals, 0. Which one of these expressions equals ababa, b?

User Sankha Jayalath
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ab=a² and ab=b².

Since a-b=0, this means that a=b.

For ab, we can rewrite this as a*a, which is a².

We can also write this as b*b, which is b².
User Sarat Patel
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