Question

factorise
${2y}^{3} + {y}^{2} - 2y - 1$
​

Answer 1

Answer:

Hey Hi

This can be done by hit and trial method

Let y = 1 be a factor then

= 2(1) + 1 - 2(1) - 1

= 0

Thus y = 1 is a factor of the expression

By long Division method,

The other factors are - 1 and - 1/2

Hope this helps

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Rishabh Bansal