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CBSE Class 10 Answered

find the zeroes of the following polynomial 5 square root of 5 x squared end root plus 30 x plus 8 square root of 5
Asked by hemasri2893 | 22 May, 2019, 04:51: PM
answered-by-expert Expert Answer
G i v e n space p o l y n o m i a l space i s space P left parenthesis x right parenthesis equals 5 square root of 5 x squared plus 30 x plus 8 square root of 5 L e t space P left parenthesis x right parenthesis equals 0 rightwards double arrow 5 square root of 5 x squared plus 30 x plus 8 square root of 5 equals 0 rightwards double arrow 5 square root of 5 x squared plus 20 x plus 10 x plus 8 square root of 5 equals 0 rightwards double arrow 5 x left parenthesis square root of 5 x plus 4 right parenthesis plus 2 square root of 5 left parenthesis square root of 5 x plus 4 right parenthesis equals 0 rightwards double arrow left parenthesis square root of 5 x plus 4 right parenthesis left parenthesis 5 x plus 2 square root of 5 right parenthesis equals 0 rightwards double arrow square root of 5 x plus 4 equals 0 space o r space 5 x plus 2 square root of 5 equals 0 rightwards double arrow x equals negative fraction numerator 4 over denominator square root of 5 end fraction space o r space x equals negative fraction numerator 2 over denominator square root of 5 end fraction
Answered by Renu Varma | 22 May, 2019, 05:01: PM

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