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What is (a+b)^3 ..... |
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Answer» Step-by-step explanation: The formula is (a-B)³=a³-3a²b+3ab²-b³. ... You take the drawing of the formula (a+b)³=a³+3a²b+3ab²+b³ from above and replace a by the DIFFERENCE a-b. Then the edges are (a-b)+b with DIFFERENT combinations (on the LEFT). The term (a-b)³ is ILLUSTRATED by the blue cube (on the right). |
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