RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 48 of Exercise 10A

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48

Solve each of the following quadratic equations:

4x2 - 2 (a2 + b2) x + a2b2 = 0

4x2 - 2a2x - 2 b2x + a2b2 = 0

2x (2x - a2) - b2(2x - a2) = 0


(On taking 2x common from first two terms and –b2 from last two)


(2x - a2) (2x - b2) = 0


(2x - a2) = 0 or (2x - b2) = 0



Hence the roots of equation are


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