Find the roots of 21x2-2x-121-0 by factorization method-

21x^2+2x+121=0 21x^2+x+x+121=0 (x+121)(21x+1)=0 So, x=±121 ...

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Zeroes of a Polynomial

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Question

Find the roots of $21 x^{2} + 2 x + \frac{1}{21} = 0$ by factorization method.

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21 x^{2} - 2 x + \frac{1}{21} = 0

21 x^{2} - 2 x + \frac{1}{21} = 0

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Factorise:

$21 x^{2} - 2 x + \frac{1}{21}$

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