book
Maths Puzzle
Numerical Ability
simplify:-
(log3 135)/(log15 3) - (log3 5)/(log405 3)
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book Other Question
what does "x" equal?
(x+1)(x-3)=4
What does "x" equal?
x(x-2)= -6
Find an equation of the line (in either general form or slope intercept form) that contains the centers of the following two circles:
x^2+y^2-4x+6y+4 = 0 and x^2+y^2+6x+4y+9 = 0