Rational Exponents and Radical Equations

A.10 nth Roots and Rational Exponents

if n ≥ 3 and n is odd
if n ≥ 2 and n is even

If n ≥ 2 and m ≥ 2 and the radicals are defined , then

Simplify a radical :
Remove any perfect roots from the radicand.
No fractions under the radicand.
No radicals in the denominator .

Simplify :

pA87 #18:

Radical Equations : put radical on one side and then undo by exponent.

Rational Exponents : Use rules of exponents to solve.

Note that:

pg 88 #72:

ANS:

pg 88 #78

ANS: