Question

viet bieu thuc sau duoi dang 1 luy thua:(2.a^3.x^2.y).(8.a^2.x^3.y^4).(16.a^3.x^3.y^3

Comments

Bài lớp 6 khó dữ

Answer 1

(2.a^3.x^2.y) . (a^2.x^3.y4) . (a^3.x^3.y^3)

= (2.8.16) . (a^3.a^2.a^3) . (x^2.x^3.x^3) . (y.y^4.y^3)

= 256 . a^8 . x^8 . y^8 

= 2^8 . a^8 . x^8 . y^8

= (2.a.x.y)^8