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(x-1) (2x-1) find discrimination

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(x-1) (2x-1) find discrimination

Posted by Ravindra Kumar Jha 6 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years, 7 months ago

(x - 1)(2x - 1) = 0
{tex}\Rightarrow{/tex} 2x² - x - 2x + 1 = 0
{tex}\Rightarrow{/tex} 2x² - 3x + 1 = 0
Here, a = 2, b = -3, c = 1
D = b² - 4ac
{tex}= ( - 3 ) ^ { 2 } - 4 \times 2 \times 1{/tex}
= 9 - 8 = 1

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CBSE > Class 10 > Mathematics