Question

12. If x, y, z are real numbers satisfying the expression
25(92x^2+y^2) +9z^2-15(5.xy + yz + 3xz)=0,x, y and z are in
in
(a) AP
(b) GP
(c) HP
(d) None​

Answer 1

number of n-tuples of D's and I 's. .... the midpoint of XY, C and D the projections of X and Y on AB ( ..... that for all positive numbers x, y ...

Answer 2

Ap is the right answer according to me

If the answer is wrong I am sorry.

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