Question

Please solve this fast???

Answer 1

$\frac{p}{q} = \frac{p}{ - q} \\ p = - p \\ 2p = 0 \\ p = 0$

Answer 2

$\frac{p}{q} \: = \frac{p}{ - q} \\ \frac{p}{q} = \frac{ - p}{q} \\ pq \: = - pq \\ pq \: + pq = 0 \\ 2pq = 0$
Here product of three numbers 2 , p and q are zero...
we know that 2 is not equal to zero .
so we must have either p = 0 or q = 0 Thus we have
P= 0.