Question

factorise : x^12-1
(it is 4 mark que. so give me full and satisfied ans.)
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Answer 1

Answer:

Step-by-step explanation:x^12-1

=(x^6)^2-(1)^2

=(x^6+1)(x^6-1)

=(x^6+1)(x^3)^2-(1)^2

=(x^6+1)(x^3+1)(x^3-1)

=(x^6+1)(x^3+1)(x)^3-(1)^3

=(x^6+1)(x^3+1)(x-1)(x^2+x+1)(ANSWER)