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If y =a cos (sin x) + b sin (sin x) the...

If ` y =a cos (sin x) + b sin (sin x)` then `y _(2) + (tan x) y_(1)=`

A

`-y cos ^(2) x`

B

` cos x`

C

`y cos x `

D

none

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DIPTI PUBLICATION ( AP EAMET)-DIFFERENTIATION -EXERCISE 1D
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  6. If ax ^(2) + by ^(2) =c, then y (2) =

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  7. If x ^(2) + xy + y ^(2) = a ^(2), then y (2) =

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  8. If x ^(3) + y ^(3) = 3axy then y (2) =

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  9. If y ^(2) = (x-a)(x-b)then ( d ^(3))/(dx ^(3)) [((d ^(2) y)/(dx ^(2))^...

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  10. If x ^(3) + y^(3) = 3ax ^(2) then y (2)=

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  11. If y ^(2) = a ^(2) cos ^(2) x + b b^(2) sin ^(2) x then y + y (2)=

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  12. If ax ^(2) + 2hxy + by ^(2) =1 then (hx + by) ^(3) y (2) =

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  13. If x ^(3) - 3ax ^(2) + y ^(3) =0then y ^(5) y (2) =

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  14. If x ^(2) + y ^(2) =a ^(2) then ((1+ y (1) ^(2))^(3//2))/(|y(2)|)=

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  15. If y ^(2) = 4ax then 4a^2 (1+ y(1) ^(2)) ^(3//2) + (y ^(2) + 4a ^(2))...

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  16. If x ^(2) + 5xy + y^(2) =-2x + y -6=0 then y'' at (1,1) is

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  17. If sqrtx+ sqrty = sqrta then y (2)+ (1+ y(1)) ^(3) y =

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  18. If y = sin (x + y) then y (2) + (1+ y (1)) ^(3) y =

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  19. If x ^(2) - xy + y ^(2) =1 and y ''(1)=

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  20. If x ^(2) - 2x ^(2) y ^(2) + 5x + y-5 =0 and y (1) then y '' (1)=

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