We have to make conjugate pair it means that whatever the sign in the nominated is we have to make its opposite sign just like here in denominator there is minus sign so for rationalizing we have to make its opposite pair and that's Plus and here by the answer is.
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Answer:
We have to make conjugate pair it means that whatever the sign in the nominated is we have to make its opposite sign just like here in denominator there is minus sign so for rationalizing we have to make its opposite pair and that's Plus and here by the answer is.
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