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[" 6.If "alpha in(0,(pi)/(2))," then "sq...

[" 6.If "alpha in(0,(pi)/(2))," then "sqrt(x^(2)+x)+(tan^(2)alpha)/(sqrt(x^(2)+x))" is always greater than or equal to "(x!=0,-1)],[[" a) "2," b) "1," c) "2tan alpha," d) "2sec^(2)alpha" ."]]

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