The expand form a5 b2 is dash
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The expand form of a5b2 is a×a×a×a×a×b×b
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Step-by-step explanation:
= a2 - 2ab + b2. Therefore, (a + b)2 + (a - b)2. = a2 + 2ab + b2 + a2 - 2ab + b2.
= 2(a2 + b2), and. (a + b)2 - (a - b)2. = a2 + 2ab + b2 - {a2 - 2ab + b2}
= 4ab. Corollaries: (i) (a + b)2 - 2ab = a2 + b2.
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