Question

integrate

Answer 1

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

Answer 2

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

Answer 3

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

Answer 4

??

Answer 5

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

Answer 6

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

Answer 7

100%

Answer 8

thanks mate

Answer 9

https://www.wolframalpha.com/input/?i=integrate+8.1x2%2B8.4x%E2%88%927dx

Answer 10

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

Answer 11

cheers for that appreciate it