Question

(1/R-1/-R)=?
Solve it​

Answer 1

Answer:

=

R1

1

+

R2

1

Variable R cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by RR

1

R

2

, the least common multiple of R,R

1

,R

2

.

R

1

R

2

=RR

2

+RR

1

Swap sides so that all variable terms are on the left hand side.

RR

2

+RR

1

=R

1

R

2

Combine all terms containing R.

(R

2

+R

1

)R=R

1

R

2

The equation is in standard form.

(R

1

+R

2

)R=R

1

R

2

Divide both sides by R

1

+R

2

.

R

1

+R

2

(R

1

+R

2

)R

=

R

1

+R

2

R

1

R

2

Dividing by R

1

+R

2

undoes the multiplication by R

1

+R

2

.

R=

R

1

+R

2

R

1

R

2

Variable R cannot be equal to 0.

R=

R

1

+R

2

R

1

R , R



=