the value of 953 xx 047 is, Decimal Fractions, General Mathematics

Question:The value of
`((.953 xx .953 - .953 xx .047 + .047 xx .047)/(.953 xx .953 xx .953 + .047 xx .047 xx .047))`is :

A `.886` 
B `1.1286` 
C `.32` 
D None

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+ AnswerD

+ ExplanationGiven  Exp : 

`((.953)^2 - (.953 xx .047) +(.047)^2)/((.953)^3 + (.047)^3)`

`=((a^2 - ab + b^2)/(a^3 +b^3))`

`=1/(a+b)`

`=1/(.953 + .047)`

`=1`

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Question:The value of `((.953 xx .953 - .953 xx .047 + .047 xx .047)/(.953 xx .953 xx .953 + .047 xx .047 xx .047))`is :

A `.886`

B `1.1286`

C `.32`

D None

D