Question

4
7. 10.
13 16 19


(a) what is the first and last term of the 10 th line?

(b) find the sum of all terms in the 10 th line.
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Answer 1

Answer:

please clearly bhejo samj nhi ata kya pusha hai

Answer 2

Answer:

13+7, 16+7+3,19+7+3 = 20,26,29