If x2 + y2 + z2 = xy + yz + zx, then find the value of \(\frac{8x + 5y + 5z + 12 }{5x}\).
Answer & explanation
Correct answer: option 3
Putting x = y = z = 1 , satisfying the equation,
⇒ The value of \(\frac{8x + 5y + 5z + 12 }{5x}\)
⇒ \(\frac{8 + 5 + 5 + 12 }{5}\) = 6