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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 8: B=x^8-100x^7-100x^6-100x^5-100x^4-100x^3-100x^2-100x-100x Tại x = 101 Tính gtbt

Home/ Toán Lớp 8: B=x^8-100x^7-100x^6-100x^5-100x^4-100x^3-100x^2-100x-100x Tại x = 101 Tính gtbt

Toán Lớp 8: B=x^8-100x^7-100x^6-100x^5-100x^4-100x^3-100x^2-100x-100x Tại x = 101 Tính gtbt

Tháng Chín 24, 2022 Toán học 1 Comment 0 views

Toán Lớp 8: B=x^8-100x^7-100x^6-100x^5-100x^4-100x^3-100x^2-100x-100x Tại x = 101
Tính gtbt

Comments ( 1 )

  1. minhtuyethue
    minhtuyethue
    24 Tháng Chín, 2022 at 10:02 sáng
    Reply
    B=x^8-100x^7-100x^6-100x^5-100x^4-100x^3-100x^2-100x-100
    B=(x^8-101x^7)+(x^7-101x^6)+(x^6-100x^5)+…+(x-101)+1
    B=x^7(x-101)+x^6(x-101)+x^5(x-100)+…+(x-101)+1
    vì x=101<=>x-101=0
    B=1

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222-9+11+12:2*14+14 = ? ( )

Khánh Ngân

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