Răspuns:
a=b=0
Explicație pas cu pas:
a=(64-1²)(64-2²)(64-3²)...(64-10²)=
(8-1)(8+1)(8-2)(8+2)(8-3)(8+3).(8-8)..(8-10)(8+10)=
7.6.5.4.3.2.1.0.-1.-2....=0
b=(1³-64)(2³-64)(3³-64)(3³-64)...(10³-64)=
descompune după formula x³-y³=,(x-y)(x²+x-y+y²)
(1-8)(1+8+4)(2-2)(4+4+4)(3-2)(9+6+4)....=0
