1

**Term Test 1 / Re: TT1 Problem 2 (morning)**

« **on:**October 16, 2018, 01:34:56 PM »

I am trying to go the cosh~sinh way, but cannot continue when finding the second solution, can someone help me out of this?

Thanks in advance. I tried to see classmates' post, but they gave the answer directly;D

Thanks in advance. I tried to see classmates' post, but they gave the answer directly;D