Question

ex 10}
efectuati
a)$(3x+1) ^{3}$
b)$(2t+z ^{2} ) ^{3}$
c)$(1+3x) ^{3}$
d)$(z ^{2} +2t) ^{3}$

Answer 1

a)=27x³+27x²+9x+1
b) =8t³+12t²z²+6tz^4+z^6
c) =1+9x+27x²+27x³
d) =z^6+6z^4t+12t²+8t³