Question

PLS I NEED YOUR HELP!!!!!!!

Answer 1

`R_2 = (R_1R_T)/(R_1 - R_T)`

Explanation:

`R_T = (R_1R_2)/(R_1 + R_2)`

`(R_1 + R_2)R_T = R_1R_2`

`R_1R_T + R_2R_T = R_1R_2`

`R_2R_T - R_1R_2 = -R_1R_T`

`R_2(R_T - R_1) = -R_1R_T`

`R_2 = (-R_1R_T)/(R_T - R_1)`

`R_2 = (R_1R_T)/(R_1 - R_T)`