পরপর দুটি জোড় পূর্ণসংখ্যার বর্গের পার্থক্য নিচের কোন সংখ্যাটি দ্বারা বিভাজ্য?

Created: 3 months ago | Updated: 2 months ago
Job Solution Bangladesh Krishi Bank Krishi Bank - Senior Officer - 28.08.2015 গণিত
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পরপর দুইটি জজোড় সংখ্যা হল 2x এবং 2x+2 

এখন,

(2x+2)^2 -(2x)^2

= 4x^2 + 8x +4-4x^2

=8x-4

= 4x(2x-1)

9 months ago
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