Recent content by kevinthoang

I graduated James Ruse Agricultural High School in 2010 with a state rank in Maths Extension 1 and an atar of 99.75. I have 4 years of tutoring experience. I give personalised 1-on-1 tutoring and guarantee improvement. Also offering physics and UMAT tutoring. Please respond to this thread if you...

1/ v (1 + v^2) = 1/v - v/ (1+v^2)

Well since your 5 odd numbers are in increasing order, I will place them first and there is only one way to do this 13579 Then you have to place your 4 even numbers so for example, there are 6 possible spaces to place 2 and then 7 for the number 4, etc. giving you 6*7*8*9 giving you 3024 This...