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[" 17.If "y=[x+sqrt(x^(2)-1)]^(15)+[x-sq...

[" 17.If "y=[x+sqrt(x^(2)-1)]^(15)+[x-sqrt(x^(2)-1)]^(15)" ,then "(x^(2)-1)(d^(2)y)/(dx^(2))+x(dy)/(dx)" is equal to: "],[[" (1) "125y," (2) "225y^(2)," (3) "224y^(2)," (JEE-MAIN ONLINE-2"],[," (4) "225y]]

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