Question

if a= -2, b= -1
$a = - 2$
$b = - 1$
${a}^{ - b} - {b}^{a}$
​

Answer 1

Answer:

-1

Step-by-step explanation:

given that a=-2 , b=-1

=-2^-(-1) - (-1)^-2......

=-2^1 - (-1)........

=-2+1...

=-1

..........

Therefore the answer is -1...

I hope it helps....