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nintimanny nintimanny
  • 04-02-2015
  • Mathematics
Answered

HELP PLEASE !!!!!

1 . What is the value of the sum indicated by the expression ( the bottom is 2k + 2 )

HELP PLEASE !!!!! 1 . What is the value of the sum indicated by the expression ( the bottom is 2k + 2 ) class=

Verified Answer :

konrad509
konrad509 konrad509
  • 04-02-2015

\(\sum_{k=4}^8(2k+2)=2\cdot4+2+2\cdot5+2+2\cdot6+2+2\cdot7+2+2\cdot8+2\\ \sum_{k=4}^8(2k+2)=10+12+14+16+18\\ \sum_{k=4}^8(2k+2)=70\)

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