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Grade 12th passDifferential Calculus

There is no symbol of sigma in my phone thats why i use £ this symbol for sigma

Profile image of Mugisha Pirzada
7 Years agoGrade 12th pass
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2 Answers

Profile image of Deepak Kumar Shringi
7 Years ago
no question attached
Profile image of Deepak Kumar Shringi
7 Years ago
no question attached