"Bob is about to hang his eight shirts in the wardrobe. He has four different styles of shirt, two identical ones of each particular style. How many different arrangements are possible if no two identical shirts are next to one another?"
It doesn't matter what texts you do, its whether you analyze/compare with core text well. I have a friend who has found a High band 6 essay (20/20) which had "Mean Girls" as a related text. Gossip Girl is great btw.
5. Show that the roots of (z-1)^4 + (z+1)^4 = 0 are -+icot(pi/8) and +-icot(3pi/8)
6. Show that the roots of(z-1)^6 + (z+1)^6 = 0 are
+-icot(pi/12), +-icot(5pi/12), +-i
Help would be appreciated. Thanks in advance.
Get In before Tim!
i) y=ax^2 and y= 12x + 3
so by equating y, you will get
ax^2 = 12x + 3 then moving to one side, you will get a quadratic equation in terms of x and a
thus you get, ax^2 - 12x- 3 = 0
ii) Now they tell you that the line is a tangent, therefore it touches the parabola at one point. This means...