Rationalise the denominator
1641√/ −5
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Answer:
Given
16/(root41 - 5)
=16(root41+5)/[(root 41 -5)(root41+5)]
=[16(root41+5)]/[(root41)^2 -(5)^2]
=[16(root41+5)]/(41-25)
=16(root41+5]/16
=root41+5
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