Asked by Gary
210= 84/(R1/2+R1/3)
solve for R1
How do I do this
solve for R1
How do I do this
Answers
Answered by
MathMate
210= 84/(R<sub>1</sub>/2+R<sub>1</sub>/3)
Multiply both sides by the denominator, assuming that R<sub>1</sub> ≠ 0:
210(R<sub>1</sub>/2+R<sub>1</sub>/3)=84
Now find the common denominator of 2 and 3 to get:
210(3R<sub>1</sub>+2R<sub>1</sub>)/6 = 84
Multiply both sides by 6/210 and simplify:
5R<sub>1</sub> = 12/5
R<sub>1</sub> = 12/25
Multiply both sides by the denominator, assuming that R<sub>1</sub> ≠ 0:
210(R<sub>1</sub>/2+R<sub>1</sub>/3)=84
Now find the common denominator of 2 and 3 to get:
210(3R<sub>1</sub>+2R<sub>1</sub>)/6 = 84
Multiply both sides by 6/210 and simplify:
5R<sub>1</sub> = 12/5
R<sub>1</sub> = 12/25
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