Question

y³+y²-y-1 ÷ by y-1 factorise ​

Answer 1

Answer:

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Answer 2

Solution :- $=> y^3 + y^2 - y - 1 \ by \ y-1 \\=> y(y^2 + y - 1) - 1 \ by \ (y-1)\\=> (y-1) ( y^2 + y -1) \ by \ (y-1)\\=> (y^2 + y-1)$