Question

m and n are two rational number such that 

`"m"xx"n"=-25/9`

if `"m"=5/3`, find `"n"`.

`

Answer 1

∴`"m"xx"n"=-25/9`

`"m"=5/3`

∴`5/3xx"n"=(-25)/9`

`"n"=(-25)/9xx3/5`

`"n"=(-5xx1)/(3xx1)=(-5)/3`