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I have a bearing question just wonder if someone can help a plane flies for 419 km on a bearing of 148 degrees and then for 186 km on bearing 268 degrees. Draw a labelled diagram

Many thanks for your help

Many thanks. Just wonder if you could help explaining how to get to those answers

Many thanks. My answer for this question was . Could you please also help with the next 2 questions 1) In how many ways can 12 people be divided into two groups of 6? 2) In how many ways can 12 people be divided into two groups of 6 if two of the people, Jack and Jill, must be in the same group?

In how many ways can we divide a group of 12 people into a group of 5 and a group of 7

Thank you very much. This is a perfect working out I am looking for.

That's what I did but then stuck as the question asks for distance not displacement

Yes. The common way is to use substitution however you can use my answer as the alternative and it's acceptable for full mark.

Yes.

My bad. I meant partial fraction not integration by parts

This is my answer of part (a). Please let me know if it is acceptable

I thought so too. Just didn't think that it would involve substitution as well as integration by parts where full working out is required for a 4 mark question.

Got it. Many thanks.

That's perfect. Many thanks for your help. Note: there are couple of lines in the solution that have double du in it.

The solution provided is Please help explaining why we have to subtract 1 when we want to select at least 1 book. Many thanks in advance

Many thanks. I got it.

Hi, I am struggling with the following reduction formula question in Maths In Focus Ext 2 book (6.05 question 3) Many thanks in advance