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[x^(3)+y^(3)+z^(3)" का मान ज्ञात करे यदि...

[x^(3)+y^(3)+z^(3)" का मान ज्ञात करे यदि "],[" (i) "x+y+z=11,x^(2)+y^(2)+z^(2)=45" और "xyz=40]

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Verify that x ^(3) + y ^(3) + z ^(3) - 3xyz =1/2 (x + y + z) [(x-y)^(2) + (y-z) ^(2) + (z-x) ^(2) ]

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If x+y+z = 19, x^2 + y^2 + z^2 =133 , then the value of x^3 + y^3 + z^3 - 3xyz is: यदि x+y+z = 19, x^2 + y^2 + z^2 =133 है, तो x^3 + y^3 + z^3 - 3xyz का मान हैः