When two resistors of resistances 
and 
are connected in parallel (see figure), the total resistance 
style="vertical-align:middle;" /> satisfies the equation
?
.
Find 
for a parallel circuit in which 
ohms and R must be at least 1 ohm.
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Perform the indicated operation and, if possible, simplify. If a quotient is undefined state this.
÷ 
A. 
B. - 
C. - 
D. 
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Solve.
- 2 = 
A. 15
B. 
C. -15
D. - 
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