Grade 12 Mathematics SL – Homework (14th July, 2015)

Grade 12 Mathematics SL – Homework (14th July, 2015)

Dear students,

Subject : Mathematics SL

Unit : Algebra

Chapter : Sequences and series

Topic : Sigma Notations

Type of homework : Online

Details of homework : Questions on sigma notations

Duration : 30 Minutes
Submission Date : 16th July,2015

Write each of the following sums using ‘sigma’ notation.

(a) 1 + 4 + 9 + 16 + 25 + 36

(b) 3 − 5 + 7 − 9 + 11 − 13 + 15

(c) 2 − 2^2 + 2^3 − 2^4 + · · · + 2^(2n+1)

(d) 2x^3 + 4x^5 + 6x^7 + · · · + 30x^31

(e) (2/3) + (3/4) + (4/5) + …….+ (n+1 / n+2)

(f) 1 + (1/2) + (1/3) + (1/4)

(g) 4 + 8 + 12 + 16

(h) 3 + 9 + 27 + 81 + 243

Regards,

SL teachers

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