Question

check whether -2 and 2are the zeroes of the polynomial x⁴-16.​

Answer 1

Answer:

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Answer 2

Answer:

p(2) = 2^4 -16

= 16-16

= 0

Therefore x = 2 is a zero.

p(-2) = (-2)^4 - 16

= 16 - 16

= 0

Therefore x = -2 is a also a zero.