ashwinaa2306
ashwinaa2306 ashwinaa2306
  • 25-08-2021
  • Mathematics
contestada

can someone help me for this....​

can someone help me for this class=

Respuesta :

caylus
caylus caylus
  • 25-08-2021

Answer:b=3

Step-by-step explanation:

[tex]\begin{array}{c|c|c|c|c|c|c|c}&x^6&x^5&x^4&x3&x^2&x&1\\---&---&---&---&---&---&---&---\\&1&b&0&-2&0&-5&6\\x=-2&&-2&-2b+4&4b-8&-8b+20&16b-40&-32b+90\\---&---&---&---&---&---&---&---\\&1&b-2&-2b+4&4b-10&-8b+20&16b-45&-32b+96=0\\\end {array}\\\\\\-32b+96=0\\\\b=\dfrac{96}{32} \\\\\boxed{b=3}\\[/tex]

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