FALLSEM2019-20_STS1101_SS_VL2019201007891_Reference_Material_I_25-Sep-2019_algebra_basic_2.pdf

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ALGEBRA
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If a and b are the roots of the equation x 2 - 9x + 20 = 0, find the value of a 2 + b 2 + ab? A. -21 B. 1 C. 61 D. 21 ANS:C
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Find the value of a/b + b/a, if a and b are the roots of the quadratic equation x 2 + 8x + 4 = 0? A. 15 B. 14 C. 24 D. 26 ANS:B
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