## SECTION 9.5 EXERCISES In Exercises 1-6

MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series

Problem

## SECTION 9.5 EXERCISES In Exercises 1-6, write each sum using summation notation, assuming the suggested pattern continues. 1.

-7-1+5+11+\cdots+53

2+5+8+11+\cdots+29

1+4+9+\cdots+(n+1)^{2}

1+8+27+\cdots+(n+1)^{3}

6-12+24-48+\cdots

5-15+45-135+\cdots