Math, asked by 20182019, 11 months ago

solve this ........​

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Answered by Anonymous
1

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Please see attachment,report the doubts in comments

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Anonymous: welcome,if any doubt pl write in comments
20182019: an object is placed on the axis of a convex lens its real image is formed 40 cm from the object the magnification is 3 the focal length of the lens is
20182019: sir pls solve this
Anonymous: ok i will try
20182019: have u tried
Anonymous: yah i an on work please
Anonymous: i am trying to solve it
20182019: okkkky
Anonymous: Thanks
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