1.

फलन ` (x) /(sqrt (a^(2) +x^(2) )) ` का अवकल गुणांक ज्ञात कीजिए|

Answer» Correct Answer - ` (i) (a^(2))/((a^(2)-x^(2) )^(3//2))" "(ii) (3a^(2)x-x^(3)) /((a^(2)-x^(2) )^(3//2))" "(iii) (-x (3a^(2) +x^(2)))/((a^(2)+x^(2) )^(3//2))" "(iv)(1)/(2) sqrt((x^(2)-x+_1 )/(x^(2)+x+1))[(2(1-x^(2)))/(x^(2)-x+1)^(2)]`


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