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Mathematics
Problem
Work with a single-variable cubic polynomial. a. (i) Factorise
125
t
3
−
27
125t^3 - 27
125
t
3
−
27
. b. (ii) Hence solve
125
t
3
−
27
=
0
125t^3 - 27 = 0
125
t
3
−
27
=
0
for real
t
t
t
.
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