Question

Why are 1/4 & -4 zeroes of the polynomials p(x)=(4x)2 + (3x) - 1 ?

Answer 1

Heya !!!!

=> 4X² + 3X -1

=> 4X² + 4X - X - 1

=> 4X ( X +1) -1 ( X + 1)

=> ( X +1) ( 4X - 1) = 0

=> (X +1) = 0 OR (4X - 1) = 0

=> X = -1 OR X = 1/4

-1 and 1/4 are the zeroes of the polynomial P(X) because I we will put X = -1 or X = 1/4 in P(X) then remainder will come 0.

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Answer 2

Hi,

Please see the attached file!



Thanks