यदि x=sqrt(3)-sqrt(2),y=sqrt(5)-sqrt(3) ...

यदि `x=sqrt(3)-sqrt(2),y=sqrt(5)-sqrt(3)` तथा `z=sqrt(5)-sqrt(2)`, तब `x^(2)+y^(2)-z^(2)` का मान क्या होगा ?

A

`20-2(sqrt(6)+sqrt(10)+sqrt(15))`

B

`6-2sqrt(6)-2sqrt(15)+2sqrt(10)`

C

`4-2sqrt(6)+2sqrt(15)`

D

`20-2sqrt(6)-2sqrt(15)`

Verified by Experts

The correct Answer is:

B

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