factorise this sum x3+x2+x+1?
Answers
Answered by
6
hey mate here is ur ans
x3+x2+x+1=x2(x+1)+1(x+1)=(x+1)(x2+1)
hope it helps
x3+x2+x+1=x2(x+1)+1(x+1)=(x+1)(x2+1)
hope it helps
Answered by
3
(x3+x2) + (x+1)
now taking x2 common from first bracket
x2(x+1) + 1(x+1)
now
(x2+1)(x+1)
hence, factorised
now taking x2 common from first bracket
x2(x+1) + 1(x+1)
now
(x2+1)(x+1)
hence, factorised
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