Math, asked by chintuh7065, 6 months ago

Write the coefficient of x in -4x +2y+3z

Answers

Answered by kavitaanand1p9wxll

1

Step-by-step explanation:

We obtain

[x2y3z6](x2+y+z)10=[x2y3z6]∑k=010(10k)x2k(y+z)10−k=[y3z6](101)(y+z)9=10[y3z6]∑k=09(9k)ykz9−k=10(93)=840(1)(2)(3)(4)

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