Roboguru

Hitunglah:

Hitunglah: begin mathsize 14px style sum from k equals 1 to 5 of space left parenthesis 2 to the power of k plus 1 end exponent minus 2 to the power of k right parenthesis end style 

  1. begin mathsize 14px style.... end style 

  2. undefined 

Jawaban:

begin mathsize 14px style sum from k equals 1 to 5 of space left parenthesis 2 to the power of k plus 1 end exponent minus 2 to the power of k right parenthesis equals open parentheses 2 squared minus 2 to the power of 1 close parentheses plus open parentheses 2 cubed minus 2 squared close parentheses plus open parentheses 2 to the power of 4 minus 2 cubed close parentheses plus left parenthesis 2 to the power of 5 minus 2 to the power of 4 right parenthesis plus left parenthesis 2 to the power of 6 minus 2 to the power of 5 right parenthesis equals 2 to the power of 6 minus 2 to the power of 1 equals 64 minus 2 equals 62 end style 

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