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asked in Mathematics by (71.6k points)

if cos-1(2/3x) = cos-1(3/4x) = π/2 (x > 3/4) then x is equal to

(1)  √145/10

(2)  √145/2

(3)  √145/11

(4)  √145/12

1 Answer

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answered by (67.6k points)
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Best answer

Correct option  (2)  √145/2


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