exam
Maths Puzzle
Numerical Ability
The combined resistance of two resistors R1 and R2 in parallel circuit is given by the formula. Simplify the formula
Rt= 1
------------
1/R1 + 1/R2
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exam Other Question
Solve using REF
x-y-2z=0
-2x+5y+10z=-3
3x+y=0
Help with this problem.
#63 2x2-3x-9/2x2+3-9
^ the above is the power of 2 not multiply.
please show the process for solving. thanks