, so that 
is the product of two consecutive integers. This means one of them must be even, and the other is odd. The product of an odd number and an even number is itself an even number, so 
for any integer 
.Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
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Mathematics, 09.10.2019 00:00 paulawells11
Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
need quickly plz, plz.
Answers: 3
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