equity method vs fair value method

I understand the equity method where it is from, it is the n\adjustment of net income, but what does it mean when it ask whats the income in fair value method? where is this from

This is question 6 of Topic test FRA Eagle

Equity method:

P/L of investor

net income of investee in % shares less dividends in % shares

Fair value method:

P/L of investor

Change in market value of shares in investee + collected dividends

got cha where is fair value method used

FVtPL is HFT method. It’s same and FVtPL is an IFRS 9 synonyms for HFT.