15. lim x-a(√x-√a/x-a)
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Step-by-step explanation:
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─━─━─━─━─━─━─━─━─━─━─━─━─
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Method : 1
Method : 1Method of Rationalization
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☆On rationalizing the numerator, we get
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Method:- 2
Method:- 2Use of formula :-
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