Question

{(3/4)^-1-(1/4)^-1} solve the question​

Answer 1

Explanation:

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

{(3/5 - 1/4)^-1}

[{(12-5)/20}^-1]

{(7/20)^-1}

[1/(7/20)]

(20/7)

Answer 2

Answer:

Explanation:

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

{(3/5 - 1/4)^-1}

[{(12-5)/20}^-1]

{(7/20)^-1}

[1/(7/20)]

(20/7)