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Which of the following statement is correct?I. If x = 12, y = -2 and z = -10, then $$x^3 + y^3 + z^3 = 720$$II. If x + y = 48 and 4xy = 128, thens the value of $$4x^2 + 4y^2$$ is 8960
Neither I nor II
Only I
Both I and II
Only II
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