1.
Find the values of A and B in the following identities.
3-4y=Ay+B
Solution
L.H.S=3-4y
=( )y+( )
( )y+( )=Ay+B
A=( ) and B=( )
2.
2x二次+5X=Ax二次+Bx
A=( ) and B=( )
3.
If 4x-5=(P-1)X+Q,where P and Q are constants,findthe values of P and Q.
F.2 Maths 二十點架 要解釋
2010-09-15 2:54 am
回答 (1)
2010-09-15 3:05 am
✔ 最佳答案
1.3-4y=Ay+B
Solution
L.H.S=3-4y
=(-4 )y+( 3)
(-4y )y+(3 )=Ay+B
A=( -4) and B=(3 )
2.
2x二次+5X=Ax二次+Bx
A=( 2) and B=( 5)
3.
If 4x-5=(P-1)X+Q,where P and Q are constants,findthe values of P and Q.
4x-5=(P-1)x+Q
P=( 5) and Q=( -5)
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https://hk.answers.yahoo.com/question/index?qid=20100914000051KK00982