Got some questions I need help with:
A) If A and B are roots of 2x^2-2x-6=0, find the value of (A+1)^-1 + (B+1)^-1.
B) Factorise fully 1-64d^6f^6.
C) Solve 2tan x+1 =0 for 0_<x_<360 degrees.
D) Find the acute angle between y=2x-6 and x-3y+7=0. << are you ment to graph it to work it out...