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If 40 sqrt5 x^3-3 sqrt3 y^3=(2 sqrt5x- s...

If `40 sqrt5 x^3-3 sqrt3 y^3=(2 sqrt5x- sqrt3y)(Ax^2+Cy^2+Bxy)`, then the value of `sqrt((B^2+C^2-A))` is:
यदि `40 sqrt5 x^3-3 sqrt3 y^3=(2 sqrt5x- sqrt3y)(Ax^2+Cy^2+Bxy)` है, तो`sqrt((B^2+C^2-A))` का मान ज्ञात करें |

A

11

B

7

C

8

D

9

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