Question

la consider the natural numbers written in the
pattern below
1
2 3
4 5 6
7 8 9 10
a )write the next two lines of this pattern?
b) write the sequence of the last numbers
of the rows and find its algebraic form?
e) write down the sequence of first number
of the rows and find its algebraic form?​

Answer 1

Answer:

1

23

456

78910....................

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Answer 2

Step-by-step explanation:

A) 11 12 13 14 15

16 17 18 19 20 21

B) 0+1=1

1+2=3

3+3=6

6+4=10

10+5=15

15+6=21

C) 0+1=1

1+1=2

2+2=4

4+3=7

7+4=11

11+5=16

16+6=22