SUBJECT: INTEGRAL CALCULUS FOR ENGINEERS

TOPIC: INDEFINITE INTEGRAL

NOTE: Follow the formula and I need full complete solution and correct. Thanks you so much. Please help me!!

GENERAL FORMULA:

Activity 2 - Find the integral of the ffg indefinite integral 1. J (x2 + 2x) dx / (x3 + 3x2 + 1) use 2 2. Stan2 x sec2 x dx use 1 3. [ x 10(x2 +4) dx use 13 4. J elnx dx /x use 4 5. J (sec2 (arctan x) dx / (1 + x2) use 7 6. [ x dx / (5 + 9x4) use 14 7. [ x dx / V(16 - 9x4) use 13