tracking error formula

Anyone remember this formula for tracking error: TE = ([( BETA portfolio - BETA market) * VARIANCE market] + PORTFOLIO residual standard deviation)^(1/2) ? If not, then it’s more past crap no longer in L 3 curiculum.

PAST CRAP

thank god, I dont think my poor pee brain could remember one more formula…

Cool…this one had me freaked.