Advanced Mathematics Set 2

sec x ✘ –sec x ✘ –tan x ✘ tan x ✔

-4 / [1 – (4x)^2]^2 ✘ -4 / [1 – (4x)]^0.5 ✘ 4 / [1 – (4x)^2]^0.5 ✘ -4 / [(4x)^2 – 1]^0.5 ✔

(4x + y) / (x + y) ✘ –[(4x + y) / (x + y)] ✘ (4x – y) / (x + y)     ✘ –[(4x + y) / (x –y)] ✔

DF(x) = (-x2 – 10x – 1) / (x2 – 1)2 ✘ DF(x) = (x2 + 10x – 1) / (x2 – 1)2 ✘ DF(x) = (x2 –10x – 1) / (x2 – 1)2 ✘ DF(x) = (-x2 –10x + 1) / (x2 – 1)2 ✔

a xa – 1 ✘ (a – 1)x ✘ xa – 1 ✘ ax ✔

Df(x) = 4x – 8 ✘ Df(x) = 2x + 9 ✘ Df(x) = 2x + 8 ✘ Df(x) = 4x + 8 ✔

1 ✘ 2 ✘ 3 ✔

1 ✘ 8 ✘ 16 ✔

03-May ✘ infinity ✘ 06-Feb ✔

undefined ✘ 02-Jul ✘ infinity ✔