1.

`sqrt((x^(2)+y^(2)+z)(x+y-3z))+root(3)(xy^(3)z^(2))` का मान ज्ञात करें जब `x=+1,y=-3,z=-1` हैA. 1B. 0C. -1D. `1/2`

Answer» Correct Answer - B
`sqrt((x^(2)+y^(2)+z)(x+y-3z))+root(3)(xy^(3)z^(2))`
`x=1y=-3z=-1` (given)
`implies sqrt((1+9-1)(1-3+3))+root(3)(1xx(-3)^(3)xx1)`
`=3+(-3)=0`


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