Math, asked by vasugupta230804, 5 months ago

When x, y and z are real, the minimum value of $2x^{2} + 2y^{2} + 5z^{2} - 2xy - 4yz - 4zx - 4x - 2z + 15$ is:
$(a) 18\\(b) 25\\(c) 10\\(d) 15$

Answers

Answered by dhakshinesh21

0

Answer:you got this in mypat pre kvpy test didnt you?! Hahaha i wont say how to do it diy

Step-by-step explanation:

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