Question

Express as a Rational number [ ( 1 2 )^ -1 *(-4)^ -1 ] ¹​

Answer 1

Answer: 1/48

As per the law of exponents, if any number has a negative power it will reciprocal the no.

In this Question:

[ 12^-1 x 4^-1]

= [1/12 x 1/4]

= 1/48

I hope you understand this