Question

check whether (x+1) is a factor of (x cubic +1)​

Answer 1

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✒️Your Question :-

➡️ check whether (x+1) is a factor of (x cubic +1)

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✒️Answer :-

f(x) = x^3 + x^2 - x-1

f(-1)= (-1)^3 + (-1)^2 - (-1) - 1

= - 1 +1 +1 - 1

= 0

hence , it is a factor

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➡️ hope this helps you ❗️❗️

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