Question

$\int_0^2(2ti+3t^2j)dt=$

• A. 2i+4j
• B. 4i+8j
• C. 4i-8j
• D. 2i-8j

Answer 1

Answer:

B. 4i+8j

$\int_0^2{(2ti+3t^2j)dt}= [\frac{2t^2}{2}i+\frac{3t^3}{3}]_0^2$

$=4i+8j$