Question

Calculați:
a) 1 (la puterea) 3 + 2 (la puterea) 3 +3 (la puterea) 3 + 4 (la puterea) 3 =

b)5 (la puterea 3 + 0 (la puterea) 3 + 7 (la puterea) 3 =

c) 1 (la puterea) 3 + 9 (la puterea) 3 + 11 (la puterea) 3 =

d) 1 (la puterea) 4 + 2 (la puterea) 4 + 3 (la puterea patru) + 4 (la puterea) 4 =

Answer 1

a) 1^3 + 2^3 + 3^3 + 4^3 =
= 1 + 8 + 27 + 64 =
= 100

b) 5^3 + 0^3 + 7^3 =
= 125 + 0 + 343 =
= 468

c) 1^3 + 9^3 + 11^3 =
= 1 + 729 + 1 331 =
= 2 061

d) 1^4 + 2^4 + 3^4 + 4^4 =
= 1 + 16 + 81 + 256 =
= 354