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If 5 sqrt5 x^3+2 sqrt2 y^3 =(Ax+ sqrt2 y...

If `5 sqrt5 x^3+2 sqrt2 y^3 =(Ax+ sqrt2 y) (Bx^2+2y^2+Cxy)`, then the value of `(A^2+B^2- C^2)` is:
यदि `5 sqrt5 x^3+2 sqrt2 y^3 =(Ax+ sqrt2 y) (Bx^2+2y^2+Cxy)` है, तो `(A^2+B^2- C^2)` का मान ज्ञात करें |

A

15

B

30

C

20

D

40

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