201
25 contoh passive voice - 25 contoh passive voice | 2x2 3mx 5 0 Tnh x12 x22
4.9
₫201,221
55% off
IDR:281
3+
pieces, extra 3% off
Tax excluded, add at checkout if applicable
;
Extra
5% off with coins
Item description
25 contoh passive voice 2x^2-3mx-5=0 (a=2, b=-3m, c=-5) Δ=b^2-4ac=(-3m )^2-4.2. (-5) =9m^2+40>0 => Pt luôn có 2 nghiệm pb =>m^2>=0. Áp dụng hệ thức vi ét có x1+x2=-b/a=3m/2
Product recommendation
Popular products
