1.

27 help me to solvent dear friends​

Answer»

Step-by-step explanation:

(2X)² + (3y)² + (4z)² - (2x) (3y) - (3y) (4z) - (2z) (4x) =0

[1/2× (2x-3y)² +. (3y-4z)²+ (4z-2x)²] = 0

(3x-3y)² + (3y-4z)² + (4z-2x)² = 0

sum of squares can't be zero so this means all are 0.

2x=3y & 3y=4z

2x=3y=4z=k

so, x=k/2, y=3/2, Z= k/4

so, x,y,z are in h.p

H.p means in harmonic progression.

I hope this will help you.


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