if A=(x-y) B=(x+y) C = (x+y-z) then what is 1.A×B 2.A+B × (C)
please explain this I need to submit tomorrow
I will mark you as brainliest also
Answers
Answered by
1
Step-by-step explanation:
A=(x-y) B=(x+y) C = (x+y-z)
1. A×B
(x-y) × (x+y)
x² - xy + xy + y²
2. (A+B) × (C)
{ (x-y) + (x+y) } × (x+y-z)
2x × (x+y-z)
2x² + 2xy + 2xz
Answered by
1
Ans 01:-
A*B=X2+XY-YX-Y2
=X2-Y2 (: XY-XY CANCEL OUT)
Ans 02:-
A+B*C=(x-y) +(x+y) *(x+y-z)
=(x+x-y+y) *(x+y-z)
=(2x) *(x+y-z) (-y+y cancel out)
=2x*x+2x*y-2x*z
= 2X2+2xy-2xz
final Ans
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