Question

If number of polynomials having zeroes as -2 and 5 is
(A) 1
(B) 2
(C) 3
(D) more than 3

Answer 1

HOLA

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Option D

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Not more than 3

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Proof

$x {}^{2} \: - \: 2 x \: + \: 8 \\ \\ x {} {}^{2} \: - \: 2x \: - \: 4x \: + \: 8 \\ \\ x \: ( \: x \: + \: 2 \: ) \: + \: 4x \: ( \: x \: + \: 2 \: ) \\ \\ ( \: x \: + \: 2 \: ) \: \: + \: ( \: x \: + \: 4 \: ) \\ \\ x \: = \: 4 \: \: \: x \: = \: 2$

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HOPE U UNDERSTAND ☺☺☺