Question

evalute the following both 1 nd 2​

Answer 1

Answer:

Step-by-step explanation:

[{(1/3)^-1} - {(1/4)^-1}]^-1

= [3/1 - 4/1]^-1 because when there is a minus exponent, the reciprocal is taken

= [3-4]^-1

= -1^-1                                                            

= -1/1 because when there is a minus exponent, the reciprocal is taken

ANS= -1/1