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`(dy)/(dx)` निकालें यदि (Find`(dy)/(dx)if)y=sec^(-1)((sqrt(x)+1)/(sqrt(x)-1))+sin^(-1)((sqrt(x)-1)/(sqrt(x)+1))` |
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Answer» `y=sec^(-1)((sqrt(x)+1)/(sqrt(x)-1))+sin^(-1)((sqrt(x)-1)/(sqrt(x)+1))` `=cos^(-1)((sqrt(x)-1)/(sqrt(x)+1))+sin^(-1)((sqrt(x)-1)/(sqrt(x)+1)) " " [because"cosec"^(-1)x="sin"^(-1)(1)/(x)]` `=(1)/(2)pi " " [becausecos^(-1)x+sin^(-1)x=(1)/(2)pi]` `therefore(dy)/(dx)=0` |
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