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Diketahui matriks . Jika | A | menyatakan determinan A, maka deret geomtri A + A 2 + A 3 +… konvergen ke …

Diketahui matriks A equals open parentheses table row cell 1 half end cell cell negative 1 half end cell row cell negative 1 half end cell x end table close parentheses. Jika |A|  menyatakan determinan A, maka deret geomtri A + A 2 + A 3 +…  konvergen ke …

  1. fraction numerator 2 x minus 1 over denominator 2 x minus 5 end fraction space space d e n g a n space minus 3 over 2 less than x less than 5 over 2 

  2. negative fraction numerator 2 x minus 1 over denominator 2 x minus 5 end fraction d e n g a n minus 3 over 2 less than x less than 5 over 2 

  3. fraction numerator 2 x minus 1 over denominator 2 x minus 5 end fraction space d e n g a n space minus 3 over 2 less than x less than 3 over 2 

  4. negative fraction numerator 2 x minus 1 over denominator 2 x minus 5 end fraction space d e n g a n space minus 5 over 2 less than x less than 5 over 2 

  5. fraction numerator 2 x minus 1 over denominator 2 x minus 5 end fraction space d e n g a n space 3 over 2 less than x less than 5 over 2 

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A equals open parentheses table row cell 1 half end cell cell negative 1 half end cell row cell negative 1 half end cell x end table close parentheses open vertical bar A close vertical bar equals 1 half x minus 1 fourth open vertical bar A close vertical bar plus open vertical bar A close vertical bar squared plus open vertical bar A close vertical bar cubed plus horizontal ellipsis open parentheses 1 half x minus 1 fourth close parentheses plus open parentheses 1 half x minus 1 fourth close parentheses squared plus open parentheses 1 half x minus 1 fourth close parentheses cubed plus horizontal ellipsis a equals 1 half x minus 1 fourth r equals 1 half x minus 1 fourth  K o n v e r g e n space k e colon S subscript infinity equals fraction numerator a over denominator 1 minus r end fraction S subscript infinity equals fraction numerator 1 half x minus 1 fourth over denominator 1 minus open parentheses 1 half x minus 1 fourth close parentheses end fraction S subscript infinity equals fraction numerator 1 half x minus 1 fourth over denominator 5 over 4 minus 1 half x end fraction space space. space space 4 over 4 S subscript infinity equals fraction numerator 2 x minus 1 over denominator 5 minus 2 x end fraction S subscript infinity equals negative fraction numerator 2 x minus 1 over denominator 2 x minus 5 end fraction  S y a r a t space k o n v e r g e n colon minus 1 less than r less than 1 minus 1 less than 1 half x minus 1 fourth less than 1 space space left parenthesis semua straight space ruas straight space dikalikan straight space 4 right parenthesis minus 4 less than 2 x minus 1 less than 4 space space open parentheses semua straight space ruas straight space ditambah straight space 1 close parentheses minus 3 less than 2 x less than 5 space space open parentheses semua straight space ruas straight space dibagi straight space 2 close parentheses minus 3 over 2 less than x less than 5 over 2  M a k a space d e r e t space t e r s e b u t space k o n v e r g e n space k e space minus fraction numerator 2 x minus 1 over denominator 2 x minus 5 end fraction space d e n g a n space minus 3 over 2 less than x less than 5 over 2

 

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