\ud835\udc43\ud835\udc45\ud835\udc42\ud835\udc37\ud835\udc48\ud835\udc47\ud835\udc42\ud835\udc46 \ud835\udc41\ud835\udc42\ud835\udc47Á\ud835\udc49\ud835\udc38\ud835\udc3c\ud835\udc46 (\ud835\udc4e + \ud835\udc4f)2 = \ud835\udc4e2 + 2\ud835\udc4e\ud835\udc4f + \ud835\udc4f² (\ud835\udc4e \u2212 \ud835\udc4f)2 = \ud835\udc4e2 \u2212 2\ud835\udc4e\ud835\udc4f + \ud835\udc4f² (\ud835\udc4e + \ud835\udc4f). (\ud835\udc4e \u2212 \ud835\udc4f) = \ud835\udc4e2 \u2212 \ud835\udc4f² (\ud835\udc4e + \ud835\udc4f)3 = \ud835\udc4e3 + 3\ud835\udc4e²\ud835\udc4f + 3\ud835\udc4e\ud835\udc4f² + \ud835\udc4f³ (\ud835\udc4e \u2212 \ud835\udc4f)3 = \ud835\udc4e3 \u2212 3\ud835\udc4e2\ud835\udc4f + 3\ud835\udc4e\ud835\udc4f2 \u2212 \ud835\udc4f³
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