1.

if alpha = 5/(2!×3) + (5×7)/(3!×3^2) + (5×7×9)/(4!×3^3) + ............, then alpha^2 + 4×alpha = A) 21 B) 23 C) 25 D) 27

Answer»

if alpha = 5/(2!×3) + (5×7)/(3!×3^2) + (5×7×9)/(4!×3^3) + ............, then alpha^2 + 4×alpha =

A) 21 B) 23 C) 25 D) 27



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