1.\int \frac{\sec^2 x}{(\sec x+\tan x)^{9/2}}dx =$a.-\frac{1}{(\sec x+\tan x)^{11/2}}\left(\frac1{11}-\frac17(\sec x+\tan x)^2\right) + Kb.\frac{1}{(\sec x+\tan x)^{11/2}}\left(\frac1{11}-\frac17(\sec x+\tan x)^2\right) + Kc.-\frac{1}{(\sec x+\tan x)^{11/2}}\left(\frac1{11}+\frac17(\sec x+\tan x)^2\right) + Kd.\frac{1}{(\sec x+\tan x)^{11/2}}\left(\frac1{11}+\frac17(\sec x+\tan x)^2\right) + KLogin to continueOnly logged in users canattempt or see the solution.
