6. Find the indefinite integral | 9sinu + 2cosu du. I . Find The indefinite A) -9cosu + 2sinu +C integriol S-at 7 14 x-6) dt B) 9cos' u - 2 sinu + C C ) -2cosu +9sinu +C -9cosu -2sinu +C 2. Find the indefinite in- D) E) -9cos' u + 2sinu + C togrial and clock the result 7. Find the indefinite integral [ (10x +6) dx. by differentiation. A) 10x2 +6x +C B) 10 (aut140-12 du C) 5 x2 + 6x + C 4 4 D) 5x2 +6x E) none of the above 3. Find the general solu - 8. Find the indefinite integral (952 + 12s) ds. tion of the differential squee- A) 3s' + 1252 + C Tion below and check the result. B) 9s' + 1252 + C C ) 353 + 652 + C by differentiation dg - qs D) 18s+12+C E) 983 + 652 + C 4 . Find the general solution 9. Find the indefinite integral (-853 -65+2) ds. of the differential equation A) -254 - 352 + 25 + C below and check The result B) -653 - 652 + 25 + C C) -254 - 352 + 2 + C by differentiation. D) -254 - 353 + 25 + C E) -254 -35 + C de = 18 x5 dn = 10. Find the indefinite 5: Find The Indefinite In- Integrial. (1357 dx. togrial Satanxta de