Answer
a. 4
b. $3\div a$
c. $5y\sqrt y \div z$
Work Step by Step
a. We can simplify as follows:
= $\sqrt (144 \div 9)$
= $\sqrt 16$
= 4.
b. We can simplify as follows:
= $\sqrt (36a \div 4a^{3})$
= $\sqrt 36\sqrt a \div \sqrt 4\sqrt a^{3}$
= $6\sqrt a \div 2a\sqrt a$
= $3 \div a$.
c. We can simplify as follows:
= $\sqrt (25y^{3} \div z^{2})$
= $\sqrt 25\sqrt y^{2}*\sqrt y \div \sqrt z^{2}$
= $5y*\sqrt y \div z$
= $5y\sqrt y \div z$.
