अगर 40 sqrt(5) x^(3) - 3 sqrt(3) y^(3) =...

अगर `40 sqrt(5) x^(3) - 3 sqrt(3) y^(3) = (2 sqrt(5) x - sqrt(3) y ) xx (Ax^(2) + Bxy + Cy^(2) )` है , तो `sqrt( B^(2) + C^(2) - A)` का मान क्या है?

A

11

B

7

C

8

D

9

Verified by Experts

The correct Answer is:

B

अगर 40 sqrt(5) x^(3) - 3 sqrt(3) y^(3) = (2 sqrt(5) x - sqrt(3) y ) xx...
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