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Hitunglah nilai dari x → − 3 lim ​ ( x 4 − 2 x 3 − x 2 + 9 x − 15 ) .

Hitunglah nilai dari 

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E. Safitri

Master Teacher

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 begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell limit as x rightwards arrow negative 3 of left parenthesis x to the power of 4 minus 2 x cubed minus x squared plus 9 x minus 15 right parenthesis end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 84 end table end style.

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Jadi, .

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell limit as x rightwards arrow negative 3 of left parenthesis x to the power of 4 minus 2 x cubed minus x squared plus 9 x minus 15 right parenthesis end cell row blank equals cell limit as x rightwards arrow negative 3 of x to the power of 4 minus 2 times limit as x rightwards arrow negative 3 of x cubed minus limit as x rightwards arrow negative 3 of x squared plus 9 limit as x rightwards arrow negative 3 of x minus limit as x rightwards arrow negative 3 of 15 end cell row blank equals cell open parentheses negative 3 close parentheses to the power of 4 minus 2 times left parenthesis negative 3 right parenthesis cubed minus left parenthesis negative 3 right parenthesis squared plus 9 times left parenthesis negative 3 right parenthesis minus 15 end cell row blank equals cell 81 plus 54 minus 9 minus 27 minus 15 end cell row blank equals 84 end table end style 

Jadi, begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell limit as x rightwards arrow negative 3 of left parenthesis x to the power of 4 minus 2 x cubed minus x squared plus 9 x minus 15 right parenthesis end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 84 end table end style.

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