(x+7)³-(x-7)³ इस सवाल मे =a³+b³+3ab(a+b) formula लगेगा।
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इसमें [a3 - b3 = a3 - b3 - 3a2b + 3ab2] वाली प्रॉपर्टी लगेगी
Hope it helps please mark as brainliest
इसमें [a3 - b3 = a3 - b3 - 3a2b + 3ab2] वाली प्रॉपर्टी लगेगी
Hope it helps please mark as brainliest
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