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- Question 23 and 24, Exercise 4.3
- rchers are in the last row? How many marchers are there altogether? ** Solution. ** From the statement,... $62$ marchers in last row and $950$ marchers are there altogether. GOOD m( =====Question 24===== How m... any poles will be in a pile of telephone poles if there are 50 in the first layer, 49 in the second and so on, until there are 6 in the last layer? ** Solution. ** From t
- Question 11 and 12, Exercise 4.2
- f the pattern is consistent, how many plants will there be in the eighth row? ** Solution. ** Given seq... lign*} Hence $a_8=7$, that is, $7$ plants will be there in the 8th row. GOOD ====Go to ==== <text align