RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 47 of Exercise 10F

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47

Solve: 2x2 + ax – a2 = 0

Using splitting middle term, the middle term of the general equation is divided in two such values that:

Product = a.c


For the given equation



=


And either of their sum or difference = b


=


Thus the two terms are


Difference =


Product =








Hence roots of equation are


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