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Great work sir.
Put reasons for ray diagram of f being -ve or +ve
How to download it sir..
Just press the image and click save image
Thank you sir for sharing
Good sir thank you
thank you sir
Tq very much sir much needed one
8197184790
Great work sir.
ReplyDeletePut reasons for ray diagram of f being -ve or +ve
DeleteHow to download it sir..
ReplyDeleteJust press the image and click save image
DeleteThank you sir for sharing
ReplyDeleteGood sir thank you
ReplyDeletethank you sir
ReplyDeleteTq very much sir much needed one
ReplyDelete8197184790
ReplyDelete