Question

(i) 1+3+5*7.. 19
(i) 1+3+5*7*.. + 71
(ii)1+3+5+7+...... + 189

Answer 1

Step-by-step explanation:

19=1+(n-1)2

18/2=n-1

n=10

ii- 77=1+(n-1)2

n=39

iii-189=1+(n-1) 2

n=95

Answer 2

Answer:

n = 95 .....

Step-by-step explanation:

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