Latest NDA Aptitude Question SOLUTION: What should be the value of k for which the equation 3x^2 + 3y^2 + (k + 1)z^2 + x – y + z = 0 represents the sphere ?

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(#M40026661) NDA question Mental Ability Keep an EYE

What should be the value of k for which the equation 3x^2 + 3y^2 + (k + 1)z^2 + x – y + z = 0 represents the
sphere ?

Asked In NDA MAN (11 years ago)

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