for H, I converted 3log_2(x+1) to log_2(x+1)^3 and 1 to log_2(2), and combined then to get log_2(2(x+1)^3) Equated both sides and cancelled the log2 and rearrange to get a quadratic, solutions being 2+-sqrt3
I did the exam a few days ago got 9/10 on multiple choice unfortunately I got C wrong which was one of the easier questions because I made an addition error. I am buzzing that I got J the way you did it I also started by trying to do it algebraiclly and got no where so I just decided to sketch those tangents to the circles and got 4.
for H, I converted 3log_2(x+1) to log_2(x+1)^3 and 1 to log_2(2), and combined then to get log_2(2(x+1)^3)
Equated both sides and cancelled the log2 and rearrange to get a quadratic, solutions being 2+-sqrt3
I did the exam a few days ago got 9/10 on multiple choice unfortunately I got C wrong which was one of the easier questions because I made an addition error. I am buzzing that I got J the way you did it I also started by trying to do it algebraiclly and got no where so I just decided to sketch those tangents to the circles and got 4.
Thank you very much for this video it was very helpfull
Well explained, thank you so much!
Do u think this paper was harder than previous ones?
I'm not really sure, I thought the long questions were a little tricky. The marks that they publish will tell