Pls tell me the answers of these two questions.. As fast as possible
Monica , 6 Years ago
Grade 11
Algebra> Pls tell me the answers of these two ques...
1 Answers
Arun
Last Activity: 6 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.
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