Guest

Pls tell me the answers of these two questions.. As fast as possible

Pls tell me the answers of these two questions.. As fast as possible

Question Image
Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
(x-a)(x-b) = b²
x² -(a+b)x +ab - b² = 0
D = (a+b)² - 4ab + 4b² = (a-b)² + 4b² = always positive 
Hence roots are always real and different if a= b and b is not 0.
Please post one question in one thread

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free