RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 1 of Exercise 10D

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1

Find the nature of the roots of the following quadratic equations:

12x2 – 4√15x + 5 = 0

Given:

Comparing with standard quadratic equation ax2 + bx + c = 0



Discriminant D = b2 – 4ac



= 240 – 240 = 0


Hence the equation has real and equal roots.


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