Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Calculate the simplified form of
3
4
7
\dfrac{3}{4\sqrt7}
4
7
3
after rationalising the denominator. a)
9
7
28
\dfrac{9\sqrt7}{28}
28
9
7
b)
7
28
\dfrac{\sqrt7}{28}
28
7
c)
3
7
28
\dfrac{3\sqrt7}{28}
28
3
7
d)
3
7
7
\dfrac{3\sqrt7}{7}
7
3
7
Browse the problem library