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If a=x+y and b=x-y show that (a+b)=4x
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If a=x+y and b=x-y show that (a+b)=4x

User Ellyn
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1 Answer

10 votes

Answer:

Explanation:

a=x+y

b=x-y

add

a+b=2x

User Phlya
by
8.0k points
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