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UNIT 2: Algebra The Concept Series (TCS) Quantitative Aptitude CAT 1 MODULE 2: Quadratic Equations. Applications 3 Anupam Mishra IIM Lucknow
The Concept Series(TCS) CS UNIT 1: NUMBERS UNIT 3: ARITHMETIC UNIT 4: GEOMETRY UNIT 5: MODERN MATHS BUFFER UNIT UNIT 2: ALGEBRA 9 MODULES) MENSURATION Module 1 Algebra Fundamental & Linear Equations. Module 2 Quadratic Equations. Module 4 Polynomials & Remainder Theorem Module 5 Co-ordinate Geometry Module 6 Functions & Graphs Module 3 Inequalities Module 7: Logarithms, Surds, & Indices. Module 8: Series & Progressions.
Questions: 1. The sum of the reciprocals of the roots of the equation px2 + qx + r = 0 is 15 and the sum of the roots of the equation qx + px ++ r 30. What is the product of the roots of the equation rx2 qx p =0? a.-450 b. 2 C. 450 d. 0.5 2. Calculate the value of 'a for which one of the roots of the quadratic expression: (3x -a)2-5a - 14, is zero. a. 7,2 c.7,-2 d. 2
Question T 5um of the recipro cals of the yoots bie 30 aL of the ts (-15) x(-30) 450 Ans. product
Question 2. 2. For this quadatic expressiom, value of one of the 0ots o. ,it must be pussing through origm Dio) 2
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