Question

多項(xiàng)式-

5

4

a²b-

4

3

ab+1是______次______項(xiàng)式，最高次項(xiàng)為_(kāi)_____，二次項(xiàng)系數(shù)為_(kāi)_____，常數(shù)項(xiàng)是______．

Answer 1

由題意得：-

5

4

a²b-

4

3

ab+1是3次3項(xiàng)式，最高次項(xiàng)-

5

4

a²b，二次項(xiàng)系數(shù)為-

4

3

，常數(shù)項(xiàng)是1．