Question:

The roots of each of the following quadratic equation are real and equal, find k.

(1) 3y2 + ky + 12 = 0

(2) kx (x-2) + 6 = 0

 

Answer:

(1) 3y2 + ky + 12 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 62
Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 63

(2) kx (x-2) + 6 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 64

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