Question

I need the answer for this

Answer 1

Answer:

5) -1 is correct answer

Answer 2

Answer:

$\frac{1 - c}{c} - \frac{1}{c} = - 1$

$\frac{1 - 2c}{c} - \frac{1 - c}{c} = - 1$

$hence \: \: \: \: \: d = - 1$