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(d)/(dx) {cos ^(2) [Tan ^(-1) (sin Cot ^...

`(d)/(dx) {cos ^(2) [Tan ^(-1) (sin Cot ^(-1)) ]}=`

A

`(2)/((x ^(2) +2))`

B

`(2x)/((x ^(2) +2)^(2))`

C

`(x ^(2) +1)/(x ^(2) +2)`

D

none

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-DIFFERENTIATION -EXERCISE 1A
  1. If Sin h^(-1) x + Sin h ^(-1) y =1 then

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  2. If y= sqrt(|(1-Sin ^(-1)x)/(1+ Sin^(-1)x)|) then y '(0)=

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  3. (d)/(dx) {cos ^(2) [Tan ^(-1) (sin Cot ^(-1)) ]}=

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  4. The derivative of Cosec ^(-1) (a ^(x)) w.r.t x is

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  5. (d)/(dx) {Cot ^(-1) ((1+x)/(1 -x))}=

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  6. (d)/(dx) {Tan ^(-1) ((1+x)/(1- x))}=

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  7. The deriavative of sqrt(Tan ^(-1)x) w.r.t x is

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  8. The derivative of sqrt(Tan ^(-1)(e ^(x))) w.r.t x is

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  9. The derivative of log (10) [Sin ^(-1) (x ^(2)) ] w.r.t x is

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  10. If y= Sin ^(-1) (x ^(2) - (1)/(2)) then (dy)/(dx) at x =0 is

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  11. (d)/(dx ) {Cos^(-1) ((a+b cos x )/(a cos x +b)) (a lt b )=

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  12. (d)/(dx) {Tan ^(-1) ((b tan x )/(a ))}=

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  13. (d)/(dx ) { Tan ^(-1) ( sqrt(|(a -b)/(a +b)|)tan ""(x)/(2))}=

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  14. {Tan ^(-1) ((a + bcos x )/( b + a cos x ))}=

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  15. (d )/(dx ) { (2)/( sqrt(a ^(2) - b ^(2))) Tan ^(-1) (( sqrt (a -b ))/(...

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  16. If y = Arc tan sqrt([(x -a)/(b -x)]) then (dy)/(dx) =

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  17. (d)/( dx ) { x sqrt (a ^(2) - x ^(2))+ a ^(2) Sin ^(-1) ((x )/(a )) }=

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  18. (d)/(dx ) { x sqrt (a ^(2) + x ^(2)) + a ^(2) Sin h ^(-1) ((x )/(a))}=

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  19. (d)/(dx ) {x sqrt (x ^(2) -a ^(2)) - a ^(2) Cosh ^(-1) ((x)/(a)) }=

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  20. If y = log {((1 +x)/(1-x )) ^(1//4) } -1/2 Tan ^(-1) (x ), then (dy)/(...

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