Question

4x*-5ax+a*=0 dengan rumus abc

Answer 1

Rumus kecap (abc)

= -b +-V(b^2-4ac) / 2a
= 5a +- V (25a^2-16a^2) / 8
= 5a +- V9a^2 / 8
= 5a +- 3a / 8

x1 = 8a/8 = a
x2 = 2a/8 = 1/4 a