Tìm \(a,\) \(b\) sao cho:

a) \(ax^4+bx^3+1⋮\left(x-1\right)^2\)

b) \(\left(x^3+ax+b\right)\) \(:\) \(\left(x+1\right)\) \(dư\) \(7\)

\(:\) \(\left(x-3\right)\) \(dư\) \(5\)

I don’t think anyone understood what I was saying at the meeting, did they? I totally failed to get my point _______.

A. around

B. along

C. across

D. about

cần cách giải không bạn