What 2 square numbers subtract to make 6401?

What two square numbers subtract to make 6401? In other words, when you subtract one square number from another square number, the answer is 6401. What are the two square numbers?

First, note that a square number is what you get when you multiply a number by itself, which means that the square root of a square number will equal a whole number. Thus, this is what we are solving:

A² - B² = 6401

We solved the equation above and found this to be true:

105² - 68² = 6401

105² is 11025 and 68² is 4624, therefore the answer to the question "What 2 square numbers subtract to make 6401?" is 11025 and 4624 as illustrated below:

11025 - 4624 = 6401

Note that there may be more than one solution to a problem like this. Above, we found the lowest combination of square numbers that subtract to 6401. Below we list alternate solutions if available.

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