Question

RATIONALISE 1/7+4√13​

Answer 1

Answer:

1/7 + 4√13=  (1+28√13)/7

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Answer 2

Step-by-step explanation:

1 7-4√13

7+4√13 × 7-4√13

By applying (a-b) ( a+b) = a²-b²

= 7-4√13

7²-(4√13)²

= 7-4√13

49-48

=7-4√13

1

=7-4√13

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