The order and degree of the D.E. (²² dx³ a. (3,4) O (a). c. (2,1) O (c). (b). = b. (4,3) dy 1+ is dx (d). d. (1,2)

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A: Please see the below answer.

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A: Since you have posted multiple questions i can do first question as per our company guidelines…

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A: Please see the below picture for detailed solution.

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A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

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A: First I have simplified the expression and then taken the limit. Option (3) is correct.

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A: Since you have asked multiple question, we will solve the first question for you as per our guide…