Question

Tolong dibantu
Misal a bilangan bulat. Buktikan jika a genap maka a pangkat 2 genap !

Answer 1

Misal: a = 2, 2^2 = 4 (genap)
a=4, 4^2 = 16
a=6, 6^2 =36, dst

Answer 2

Bilangan genap = 2,4,6,8. bilangan bulat = 0123456789
a² = 2 x 2 = 4
contoh = 2² = 4
          = 4² = 16
          = 6² = 36