Question

simplify{7^-1+(3/2)^-1}^-1​

Answer 1

Step-by-step explanation:

Given that:

{7^-1+(3/2)^-1}^-1

we know that a^-n=1/a^n

=>{(1/7)+(2/3)}^-1

=>{(3+14)/21}^-1

=>{(17/21)}^-1

=>21/17

{7^-1+(3/2)^-1}^-1= 21/17