Question 1 Calculate 6∑r=1(3r−2)Expected answer: Save answer Score: 0/1 Feedback for . Hide feedback.The feedback has changed.This feedback is based on your last submitted answer. Save your changed answer to get updated feedback. Or, you could: ⤺ Go back to the previous part There's nothing more to do from here. Advice We can manipulate the equation like so: 6∑r=1(3r−2)=36∑r=1r+6∑r=1−2=3×6(6+1)2+6×−2 Answer: 51 Score: 0/1 Total 0/1 Move to the next questionTry another question like this oneReveal answers