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Find the errors and correct the following mathematical sentence:(x – 4)2 = x2 – 16 |
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Answer» (x – 4)2 = x2 – 16 (x – 4)2 = x2 – 16 = (x)2 – (4)2 (a – b)2 ≠ a2 – b2 ∴ (x - 4)2 ≠ (x)2 – (4)2 ∴ The given sentence is wrong. Correct sentence is (x – 4)2 = x2 – 8x + 16. |
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