Question

simplify [(2/5)‐¹×(3/4)‐¹]‐¹​

Answer 1

Answer:

maths soooooo boring don't know this

Answer 2

$((\frac{2}{5} )^{-1}\times(\frac{3}{4} )^{-1})^{-1}$

$= (\frac{5}{2}\times\frac{4}{3} )^{-1}$

$= (\frac{10}{3} )^{-1}$

$=\frac{3}{10}$

I hope this'll help you