X-1
Integrate the above with respect to x 2⁢ ( X-1 ) 3 2 3
cos⁡ ( θ2 2 ) -tan⁡ (θ)
Differentiate with repect to θ - θ⁢sin⁡ ( θ2 2 ) - sec2⁡θ
Another expression
100⁢x + 3-x 4 - π 9 =x3