Question

8. Observe the following pattern.
1 = 12
1 + 2 = (1 + 2)?
1+2+3 = (1 + 2 + 3)?
1+2+3+4 = (1+2+3+4)?
Calculate the value of 1+2+3+4+5+6+ 7+8' by the above pattern.​

Answer 1

Answer:

1

[tex]1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15+16.....

i think but not clearly......

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