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                                    Two plane mirrors are initially inclined at 30∘ and they move apart with an addition of 30∘ till the angle become 120∘. Find the sum of all the images formed. (Mirrors are inclined symmetrically) | 
                            
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Answer»  Two plane mirrors are initially inclined at 30∘ and they move apart with an addition of 30∘ till the angle become 120∘. Find the sum of all the images formed. (Mirrors are inclined symmetrically)  | 
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