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If 27(x+y)^3-8(x-y)^3=( x+ 5y)(Ax^2+By^2...

If `27(x+y)^3-8(x-y)^3=( x+ 5y)(Ax^2+By^2 +Cxy)`, then what is the value of (A+ B -C) ?
यदि `27(x+y)^3-8(x-y)^3=( x+ 5y)(Ax^2+By^2 +Cxy)`, तो (A+ B -C) का मान क्या होगा ?

A

13

B

16

C

18

D

11

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