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Last updated at Sept. 3, 2021 by Teachoo
Transcript
Example, 11 Solve 5x2 + x + 5 = 0 5x2 + x + 5 = 0 The above equation is of the form 2 + + = 0 where a = 5 , b = 1, and c = 5 x = ( ( ^2 4 ))/2 Putting values x = ( 1 (1^2 4 (5 ) 5) )/(2 5) = ( 1 (1 4 5))/(2 5) = ( 1 (1 20))/(2 5) = ( 1 ( 19))/(2 5) = ( 1 19 ( 1))/(2 5) = ( 1 19 )/(2 5) Thus, = ( 1 19 )/(2 5)
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Example 2 (ii) Important
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Example 5 Important
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Example 6 (ii) Important
Example 7 Deleted for CBSE Board 2022 Exams
Example 8 Important Deleted for CBSE Board 2022 Exams
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Example 13 (i) Important Deleted for CBSE Board 2022 Exams
Example 13 (ii) Deleted for CBSE Board 2022 Exams
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Example 16 Important Deleted for CBSE Board 2022 Exams
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