How hard is Math 55?

<p>There is some info here: <a href=“http://talk.collegeconfidential.com/massachusetts-institute-technology/1068223-math-55-2-0-mit.html[/url]”>http://talk.collegeconfidential.com/massachusetts-institute-technology/1068223-math-55-2-0-mit.html&lt;/a&gt;&lt;/p&gt;