Question
Write true (T) or false (F) for the following statements.
The difference of two square numbers is a square number.
The difference of two square numbers is a square number.
✓
Answer
False.
Solution:
4 and 1 are squares $\left(4=2^2, 1=1^2\right)$. But $4-1=3$, which is not the square of any number.
Solution:
4 and 1 are squares $\left(4=2^2, 1=1^2\right)$. But $4-1=3$, which is not the square of any number.
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