CAT Full QA item 26: The roots of t²−16t+55=0 have what sum?
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By Vieta, root sum is the coefficient 16.
Practice India questions with answers and explanations.
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By Vieta, root sum is the coefficient 16.
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Area=4×3=12.
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By Vieta, root sum is the coefficient 23.
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(17+10)/2=13.5.
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Increase/base ×100 = 25%.
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The units digit follows from 8³.
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3²+19²=370.
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By Vieta, root sum is the coefficient 18.
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Increase/base ×100 = 25%.
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14²+20²=596.
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Area=15×4=60.
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Computed directly from the set data; answer is 82.