NCERT Class 10 Chapter 5 Quadratic Equations Official CBSE Board Sample Problems Very Short Answer (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question

Find the nature of roots of the given quadratic equation:

Solution

Since , roots are real and distinct.

Question

Is a quadratic equation?

Solution

Yes, it is a quadratic equation

Question

Find the value of k, for which one root of the quadratic equation is 6 times the other.

Solution

Let c and/3 be the roots of the quadratic equation . According to the question

… (1)

… (2)

Substitute the value of/3 from equation 2 in equation 1, we get