(c+d)pangkat 5= Aljabar :v

( c + d) ^5= (c+d) (c+d) (c+d)(c+d)(c+d)
=(c²+ 2cd + d²)(c²+2cd+d²)(c+d)
=(c^4 + 4c³d + 6c²d² + 4cd³ + d^4)(c+d)
=( c^4d+ c^5 + 4c²d² + 4c³d + 10c²d³ + 6c³d² + 5cd^4 + d^5)

semoga membantu ya