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I know this was an easy question, but I had a total blank moment and I think just wrote some bs answer. Can anyone collaborate on the answer to this question please?

If you can answer any of the following (w/ working out would be helpful)! 1. Expand and simplify (a+b)^n + (a-b)^n 2.Let A be the point (-1,0) on the unit circle and suppose that the line throagh A with gradient t meet the circle at P in the first quadrant. OP and AP make angles of theta and...

The velocity vms^-1 of a particle moving in SHM along the x-axis is given by: v^2 = -x^2 - 4x + 12 1. find acceleration of particle in terms of x 2. state centre and period of motion 3. what is the max speed of the particle thankyou!

Since trials are coming up soon for most school, here are some practice question for Paper1 -- AREA OF STUDY: SECTION III. [2012 HSC] An individual’s perceptions of belong evolve in response to the passage of time and interaction with their world. In what ways is this view of belonging...

Hey guys, I'm starting to write all my formulas out because my notes are like everywhere, and this mess just annoys me. So anyway, as I was saying I'm trying to write out all my formulas but I'm not sure about everything I need to know. I tried to look through the mathematics 2/3unit...