Mp board half yearly exam 2021 class 11th English most important question

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Integrate: 1/x^2-a^2 dx. Integrate: 1/a^2-x^2 dx . Integration of : 1/x^2-a^2 dx. Integration of : 1/a^2-x^2 dx . Integration most important questions.

Raman secured 750 in aggregate in the half-yearly examination in class 7. In the final examination, Raman's aggregate marks reduced to 720. Find the percentage decrease in Raman's marks.