Q 1262434335.     if in a triangle `ABC, bcos^2 A.2 + a cos^2( B/2 )= (3c)/2`, then

(This question may have multiple correct answers)

A `c^2 >= ab`
B `2c > sqrt(ab)`
C `(a + c)/(2c - a) + (b + c)/(2c - b)` has minimum value `4`
D `a/c + c/b + b/a >= 3`

HINT

Check for each option.

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