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If x ,y ,z are real and 4x^2+9y^2+16 z^2...

If `x ,y ,z` are real and `4x^2+9y^2+16 z^2-6x y-12 y z-8z x=0,t h e nx , y,z` are in a. A.P. b. G.P. c. H.P. d. none of these

A

A.P.

B

G.P.

C

H.P.

D

none of these

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The correct Answer is:
C
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FIITJEE-MATHEMATICS TIPS-ASSIGNMENT -OBJECTIVE
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