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प्रश्न
Expand.
(13 + x) (13 − x)
बेरीज
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उत्तर
(13 + x) (13 − x)
= (13)2 – (x)2
= 169 – x2
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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