WMA11 January 2020

1.​​ WMA11/01 Edexcel IAL P1 January 2020, Q1 (Integration)

Find, in simplest form,​​ 

∫8x33-12x-5dx

(4)

SOLUTION​​ 

∫8x33-12x-12-5dx=8∫x33.dx-12∫x-12.dx-5∫dx

=8x43 x 4-x122x12-5x+c

=23x4-x12-5x+c