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[" In an A.P.the sum of first "n" terms ...

[" In an A.P.the sum of first "n" terms is "(3n^(2))/(2)+(13n)/(2)." Find the "25^(" th ")" term."],[" In a trapezium "ABCD" ,diagonals "AC" and "BD" intersect at "Q" and "A]

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