Differentiate `x^2log_2x+secx`

Explanation

`y=x^2log_2x+secx`
`dy/dx=d/dx(x^2)cdotlog_2x+x^2cdotd/dx(log_2x)+d/dx(secx)`
`=2x cdotlog_2x+x^2cdot1/xlog_2e+secx cdot tanx`