Math, asked by tanyagreens, 1 month ago

a)Rationalise the denominator of the following 3/root21 -2 root 5

Answers

Answered by 11690

0

Answer:

7*3=21

=21/5

=4.1

Step-by-step explanation:

Answered by keerthivardhaneswar

0

Answer:

$3 \sqrt{21} + 6 \sqrt{5}$

Step-by-step explanation:

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