Z00010. Prove that : For all integers a, if (a^2 – 1) is not divisible by 8, then a is even. Math Important Questions Math Notes Register Free Login Contact for Math Online Class Z00010. Prove that : For all integers a, if (a2 – 1) is not divisible by 8, then a is even. Math Important Questions Math Notes Register Free Login Contact for Math Online Class Share this:FacebookX