Feeling very pity for the teachers of these ultra-genius students. Sent by: Sakhie

A boy wrote an essay on "What I would like to see in my aged parents/grandparents"

"Looking outside my window", a boy describes the sight, sound and activities:

The algebraic expansion, well never realised it could be this easy!

The fraction, hmm... seems so very right.

Limit and continuity... Tends to and infinity...

Oh yeah!... There it was.

Now I wonder how he would have solved for Cos x?