exam
Maths Puzzle
Numerical Ability
Solve.
The combined resistance of two resistors r1 and r2 in a parallel circuit is given by the formula rt= 1 OVER 1/r1 + 1/r2. Simplify the formula.
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exam Other Question
Which mapping rule transfroms the unit circle to a circle having centre(1,-5) and radius4 ?
a)( x,y)--(1/4x-1,1/4y+5)
b)(x,y)--(1/4x+1,1/4y-5)
c)(x,y)--(4x-1,4y+5)
d)(x,y)--(4x+1,4y-5)
I need help with these type of equations please,
-9h=-3(-3)