" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b. 25 x^2 - 16 y^2 = (5 x + 4 y) (5x-4y)
c. 16 c^2 - 81 d^2 = (4c+9d) (4c-9d)
d. 5 x^2 - 45 y^2 = (/5 x + 3 /5 y) (/5x - 3 /5y)
e. 7a ^2 - b^2 = (/7 a + b) (/7 a - b)
keterngan
kalau selisih kuadrat kita pakai rumus= a-b = (/a+/b) (/a-/b)
lambang ^=pangkat
lmbang / = akar