The square of the fraction [tex]\sqrt{\dfrac{49} { 81}}[/tex] is [tex]\dfrac{7 }{ 9}[/tex].
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.
The square root is calculated as:-
[tex]}\sqrt{\dfrac{49} { 81}}=\sqrt{\dfrac{7\times 7}{9\times 9}}[/tex]
The square root of 49 is 7 and 81 is 9.
[tex]}\sqrt{\dfrac{49} { 81}}=\dfrac{7}{9}[/tex]
Hence, the square root is [tex]\dfrac{7 }{ 9}[/tex].
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