Practice BArch Mathematics questions with answers and explanations.
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9²+21²=522.
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Area=10×5=50.
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By Vieta, root sum is the coefficient 19.
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(12+11)/2=11.5.
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Increase/base ×100 = 25%.
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By Vieta, root sum is the coefficient 26.
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(17+13)/2=15.0.
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Increase/base ×100 = 25%.
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The units digit follows from 1³.
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3²+3²=18.
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Area=4×6=24.
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By Vieta, root sum is the coefficient 14.
