From a lighthouse the angles of depression of two ships on opposite sides of the light house are observed to be 30° and 45°. If the height of the lighthouse is h metres, the distance between the ships is

• ক (√3+1)h m ✅ সঠিক উত্তর
• খ 1 + (1+13–√)hmetres1 + (1+13)hmetres
• গ (3–√−1)hmetres(3−1)hmetres
• ঘ 3–√hmetres3hmetres