## lilg132 Group Title integrate 2 years ago 2 years ago

1. lilg132 Group Title

$\int\limits_{}^{}8.1x ^{2} + 8.4x - 7dx$

2. satellite73 Group Title

$\int x^ndx=\frac{x^{n+1}}{n+1}$

3. lilg132 Group Title

${8.1\over 3} x ^{3} + {8.4x ^{2} \over 2} - 7x$

4. lilg132 Group Title

??

5. Australopithecus Group Title

looks right to me although remember to add +c you are dealing with an indefinite integral

6. lilg132 Group Title

yes i forgot the plus c in the end but are you sure that is correct ? :D

7. Australopithecus Group Title

100%

8. lilg132 Group Title

thanks mate

9. Australopithecus Group Title
10. Australopithecus Group Title

you can also simplify it but you can usually use wolfram alpha to check your answers although be careful their answers wont always match yours when you are integrating as it might use a different method than you

11. lilg132 Group Title

cheers for that appreciate it