I solved the inductive proof for the summation formula by equating the answer with the i got when i tried simplifying for summation of k+1. I couldn't factorise out anything. I think the june 15 mark scheme allowed this. I dont know if they'll allow it this year though
Hey can you please explain how you did part c? That was the only part I found hard. And also for the angle in the matrices question did you get 3.69(around that)
Hey can you please explain how you did part c? That was the only part I found hard. And also for the angle in the matrices question did you get 3.69(around that)
I think u got the ans in the official post.anyways my angle came 2.50