∫2x sin (x3 + 1)dx is equal to:
A. – cos (x2 + 1) + c
B. cos (x2 – 2) + c
C. cos (x3 – 1) + c
D. – sin (x2 + 1) + c
Answer:A
∫2x sin (x3 + 1)dx is equal to:
A. – cos (x2 + 1) + c B. cos (x2 – 2) + c C. cos (x3 – 1) + c D. – sin (x2 + 1) + c