Question

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


How's that possible??​

Answer 1

EXPLANATION.

see when 1 is divided by 1 is results in 1

while, a number is divided by the same number with negative sign it results in negative 1 .

$\frac{1}{ - 1} = - ( \frac{1}{1} ) = - (1) = - 1$

HENCE PROVED

Answer 2

Answer:

because 1/1=1

and 1/-1=-1/1