Question

1. Integration : limit 0 to pie/ 2 xsinxcosx / sin4 x + cos4 x dx

2. integration : limit 0 to pie/4 sinx + cosx / 9 + 16sin2x dx

3. Integration: x + 2/ [ ( x - 2 ) ( x - 3 )] 1/2 dx

4. Integration : limit 1 to 2 5x2/ x2 + 4x + 3 dx

Answer 1

Please see the attachment

Answer 2

Answer:

Step-by-step explanation: