Question

100c^2+1-20c
решите пожалуйста

Answer 1

$100c^{2} +1-20c \ 100c^{2} -20c+1 \ 100c^{2} -20c+1 =0 \ D=(-20)^{2} -4*100*1=400-400=0 \ c _{0} = frac{20}{200} =0.1$

$100c^{2} +1-20c=(10c-1)^{2}$

Answer 2

сейчас