9709/32/F/M/16

[Frizzy03]

Hello there!

Please may someone be kind enough to work out question 6 of this paper?I've tried to but I'm failing to come up with the answer from the mark scheme.

Thanks in advance!

 

[Thought blocker]

Hello there!

Please may someone be kind enough to work out question 6 of this paper?I've tried to but I'm failing to come up with the answer from the mark scheme.

Thanks in advance!

make expression on either in terms of x or y, equate it into the main eqn n solve it