Question

plz help me to slove both problems.

Question 6 676 Evaluate N 3V2+6-30- +6+ 58 X (B) + 2 ci 336 - 31m fe * vi o obec (D) xyz 6 haber * 6* 2 OA D OB Ос Question 19 Evaluate the integral (A) (B) IC! (D)

Answer 1

8-19 1 1- ) / da $ = 45 dn (4-2) 312 Substituto x= 2 sing da= 2 cosudu 2 Cusu AL du Sinus 3 Cosn= 11 2 cosu an Siny tom na cury AS 2 Cosas (4- 4 Gin rust AS {4 (1- Bingga (4 105) 3/2 -41 = seen du tanute [ c being du e/ J15/4 251-5/4 casu an 8 Cos²u 4 constant of integration - x + c 251-2/4 tc 2 2 a J4-m te. a ann, da fe 4 4-22) 242 Jan tc i6 curreet a ran 80, oftim (A).