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Uraian bentuk n = 2 ∑ 10 ​ x n − 1 . y n adalah ...

Uraian bentuk  adalah ...

  1. begin mathsize 14px style x to the power of 10 y cubed plus x to the power of 9 y to the power of 4 plus x to the power of 8 y to the power of 5 plus... plus x cubed y to the power of 10 end style

  2. begin mathsize 14px style x to the power of 10 y plus x to the power of 9 y squared plus x to the power of 8 y cubed plus... plus x y to the power of 10 end style

  3. begin mathsize 14px style x to the power of 10 plus x to the power of 9 y plus x to the power of 8 y squared plus x to the power of 7 y cubed plus space... plus y to the power of 10 end style

  4. begin mathsize 14px style x to the power of 10 y to the power of 10 plus x to the power of 9 y to the power of 9 plus x to the power of 8 y to the power of 8 plus... plus x y end style

  5. begin mathsize 14px style x y squared plus x squared y cubed plus x cubed y to the power of 4 plus... plus x to the power of 9 y to the power of 10 end style

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jawaban yang tepat adalah E

jawaban yang tepat adalah E

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Jadi, jawaban yang tepat adalah E

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell sum from n equals 2 to 10 of x to the power of n minus 1 end exponent. y to the power of n end cell equals cell x to the power of 2 minus 1 end exponent. y squared plus x to the power of 3 minus 1 end exponent. y cubed plus x to the power of 4 minus 1 end exponent. y to the power of 4 plus... plus x to the power of 10 minus 1 end exponent. y to the power of 10 end cell row blank equals cell x y squared plus x squared y cubed plus x cubed y to the power of 4 plus... plus x to the power of 9 y to the power of 10 end cell end table end style  

Jadi, jawaban yang tepat adalah E

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