From defb41b48db0deea78109541ff959e300dfcf1bf Mon Sep 17 00:00:00 2001
From: kirreen <kirreen.forsaeus@gmail.com>
Date: Fri, 8 Dec 2023 14:30:46 +0100
Subject: [PATCH] lol math test

---
 day6/math6 | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 day6/math6

diff --git a/day6/math6 b/day6/math6
new file mode 100644
index 0000000..f456cfa
--- /dev/null
+++ b/day6/math6
@@ -0,0 +1,20 @@
+T = 7
+D = 9
+
+d = t * (T - t)
+d = tT - t²
+for which range of t is d > D?
+0 >= t >= T
+
+10 = t7 - t²
+10 = - t² + t7
+-10 = t² - 7t
+3.5² - 10 = t² - 7t + 3.5²
+49/4 - 10 = t² - 7t + 49/4
+9/4 = (t - 7/2)²
+
+t - 7/2 = 3/2 or -3/2
+t = 10/2 or 4/2
+
+5, 2
+(5 + 1) - 2 = 4