Question

please explain the answer correctly
$if \: \: a + \frac{1}{b} = 1 \: \: and \: \: b + \frac{1}{c} = 1 \\ so \: \: abc + 1 = ?$
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Answer 1

Answer:

haha i am there don't worry...

Answer 2

$\huge\mathfrak\red{Answer}$

$a + \frac{1}{b} = 1 \\ \\ \frac{ab + 1}{b} = 1 \\ \\ ab + 1 = b....(1) \\ \\ b + \frac{1}{c} = 1 \\ \\ b = 1 - \frac{1}{c} \\ \\ put \: value \: of \: b \: in \: (1) \\ \\ ab + 1 = 1 - \frac{1}{c} \\ \\ ab = - \frac{1}{c} \\ \\ abc = - 1 \\ \\ abc + 1 = 0$