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If n-m is even, then n²-m² is also even

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JichuSooya09go

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If we’ve provided this number by 2

  • (n-m)²
  • 2(-m²+nm)

it can determine an divisible number 2

So, We can take the factor by number 2 in the whole expression of even

  • And Last, The n²- m² is always/also even.

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  • [tex]{\boxed{\color{purple}\tt{SYX}}}[/tex]

[tex]#CarryOnLearning[/tex]

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