1) Factorise:
a ) x3 + y3 +x2y+ xy2 b) x3 -2x2y+3xy2-6y3
2)Factorise the expression 1- 27x3
3)If (x+1) and (x-1) are factors of ax3+ x2-2x+b , find the value of a and b.
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answer for the given problem is given
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I request u to mark 1st guy brainiest he did the correct answer
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