amira200741 amira200741

17-12-2022
Mathematics

contestada

1.using identity, evaluate (43)³+(-18)³+(-25)³
2.find the remainder x⁴-x³+2x+1 is divided by 2x+1
3.find the value of k
x-1 is a factor of x³-2kx²+x+3

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