Factorise-
![2y { }^{2} + y {}^{2} - 2y - 1 2y { }^{2} + y {}^{2} - 2y - 1](https://tex.z-dn.net/?f=2y+%7B+%7D%5E%7B2%7D++%2B+y+%7B%7D%5E%7B2%7D++-+2y+-+1)
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hope this helps you..........
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Saivi1:
it is not to be done like this first we have to apply hit and trial method then dividing them and then factorising ..plz check again ur wrong this question is of class9 polynomials chaptr
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