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(x+y) –2 =? Explain it. ------------------------------------------

(x+y)–2=?
Explain it.
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Grade:10

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
as there is a power of negative sign hence in this expansion, infintevterms will exist.
 
it will expand as (1 + x) ^- n
 
take x common from the bracket.
 
x^-2 (1 + y/x)^-2 

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