Question:

Find the value of discriminant.

(1) x2 + 7x – 1 = 0

(2) 2y2 – 5y + 10 = 0

(3) √2x2 + 4x + 2 √2 = 0

 

 

 

Answer:

(1) x2 + 7x – 1 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 47

(2) 2y2 – 5y + 10 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 48

(3) √2x2 + 4x + 2 √2 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 49

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