1.

यदि `x=y=333` और `z=34` है तो `x^(3)+y^(3)+z^(3)-3xyz` का मान क्या होगा?

Answer» Correct Answer - C
`x=y=333,z=334`
`implies x^(3)+y^(3)+z^(3)-3xyz=1/2`
`(x+y+z)((x-y)^(2)+(y-z)^(2)+(z-x)^(2))`
`implies 1/2(333+333+334)[(333-333)^(2)+(333-334)^(2)+(334-333)^(2)]`
`implies 1/2(1000)(0+1+1)=1000`


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