From 4a95719d58a708ad55b1389631d6339047f786a0 Mon Sep 17 00:00:00 2001 From: standenboy Date: Fri, 15 Dec 2023 10:19:20 +0000 Subject: added existing work --- maths/notes/4 | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100755 maths/notes/4 (limited to 'maths/notes/4') diff --git a/maths/notes/4 b/maths/notes/4 new file mode 100755 index 0000000..757456e --- /dev/null +++ b/maths/notes/4 @@ -0,0 +1,14 @@ +so far so good with maths, todays work was quite hard however + +had to work on some completing the square + +also found out how to solve some weird quadratics + +if something is like x^6+x^3+2 its still a quadratic +to solve it you would say let y = x^3 +then rewrite the equation as y^2+y+2 +then solve with the quadratic formula or factorizing +and then cube root the ans to give it in terms of x for the final anwser + +you can only do that when all the powers line up with something that can be divided to match a quadratic +so x + x^7 + 23 wouldnt work -- cgit v1.2.3