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यदि (If) xy=x^(3)+y^(3), (find) (dy)/(d...

यदि (If) `xy=x^(3)+y^(3)`, (find) `(dy)/(dx)` निकालें ।

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दिया है ,`xy=x^(3)+y^(3)` दोनों तरफ x के सापेक्ष अवकलित (Differentiate) करने पर हमें मिलता है,
`(d)/(dx)(xy)=(d)/(dx)(x^(3))+(d)/(dx)(y^(3))`
`1*y+x*(dy)/(dx)=3x^(2)+3y^(2)(dy)/(dx)`
या `(x-3y^(2))(dy)/(dx)=3x^(2)-y " " therefore(dy)/(dx)=(3x^(2)-y)/(x-3y^(2))`
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KC SINHA-अवकलन -OBJECTIVE QUESTIONS
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  3. यदि y=e^(x+e^(x+e^(x+...oo)) तब (dy)/(dx)=

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  4. यदिxsqrt(1+y)+sqrt(1+x)=0, (dy)/(dx) =

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  5. If y=sqrt(sinxsqrt(sinx+sqrt(sinx+.."to"infty))),then (dy)/(dx) , is ...

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  6. यदि x^(2) + y^(2) = 1 तब

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  7. यदि f(x)=cot^(-1)((x^(x)-x^(-x))/(2)) , then f'(1)=

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  8. यदि y=xtany, तो (dy)/(dx)=

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  9. यदि f(x)=4x^(8), तो

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  10. Differential co-e efficient of sec(tan^(-1)x) is

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  11. The differential co- efficient of e^(x^(3)) with respect to log x is

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  12. यदि x=acos^(4)theta,y=asin^(4)theta तो (dy)/(dx)है? यदि theta=(3pi)/...

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  13. If siny+e^(-xcosy)=e, then (dy)/(dx), at (1,pi) is

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  14. d/(dx)(a^(x)-x^(x))=

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  15. (d)/(dx)(3^(x)+10^(3x-1))=

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  16. If y="sin"^(-1)(2x)/(1+x^(2)),0ltxlt1and0ltylt(pi)/(2), then (dy)/(dx)...

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  17. यदि x^(y)=e^(x-y), तब (dy)/(dx)=

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  18. (d)/(dx)[logsqrt((1-cosx)/(1+cosx)) equals

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  19. If y="sin"^(-1)(2x)/(1+x^(2)),0ltxlt1and0ltylt(pi)/(2), then (dy)/(dx)...

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  20. यदि siny=xsin(a+y) तब (dy)/(dx) =

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  21. निम्नलिखित फलनों का x के सापेक्ष अवकलन कीजिए : sec^(-1).(x^(2)+1)/(x...

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