AnAnimeGirl
AnAnimeGirl
25-01-2022
Mathematics
contestada
HELPASAP !!! SEE ATTACHED PHOTOS!
Respuesta :
mhanifa
mhanifa
25-01-2022
Answer:
See below
Step-by-step explanation:
#1
1/16a² - ab + 4b² =
(1/4a)² - 2(1/4a*2b) + (2b)² =
(1/4a - 2b)²
#2
9y² + c²d² + 6cdy =
(3y)² + 2(3y)(cd) + (cd)² =
(3y + cd)²
#3
9/25a⁶b² - a⁴b⁴ + 25/36a²b⁶ =
(3/5a³b)² - 2(3/5a³b)(5/6ab³) + (5/6ab³)² =
(3/5a³b - 5/6ab³)²
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