代數式乘法??

2007-11-29 6:44 am

教我幾題呀
(x^2 y)(x^3 y^4)

(-2p^3 q^3)(p^2 q)

回答 (3)

2007-11-29 8:27 am

✔ 最佳答案

(x^2y)(x^3y^4)
=x^2+3y^1+4
=x^5 y^5

(- 2p^3 q^3)(p^2 q)
= - 2p^3+2 q^3+1
= - 2p^5 q^4

I hope I can help you, but may be not all correct ka

參考: me

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2007-11-29 7:30 am

(x^5)(y^5)

(-2p^5)(q^4)

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2007-11-29 7:29 am

the answers given earlier are wrong, don't copy. see the followings:

1. x^5y^5
2. -2p^5q^4

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