Question

Bagaimana klo yang ini? tolong dibantu ya

Answer 1

4x" - 8x + 3 =0

1/x1 + 1/x2 .....?

Jawab
x1+ x2 = -b/a = -(-8)/4 = 2

x1.x2 = c/a = 3/4

1/x1 +1/x2 = (x1+x2)/ (x1.x2)

= (2)/ (3/4)

= 2 × (4/3)

=8/3