RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 66 of Exercise 10A

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66

Solve each of the following quadratic equations:

Given:

taking LCM; using (a + b)2 = a2 + b2 + 2ab





47x2 + 162x - 33 = 385x2 - 176x - 33 cross multiplying


338x2 - 338x = 0


338x(x - 1) = 0 taking 338x common


338x = 0 or (x - 1) = 0


x = 1 or x = 0


Hence the roots of equation are 1, 0


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