eg. 1:√25a^{3}b^{4}(25a^{3}b^{4})^{1/2 }25^{1/2 }(a^{3})^{1/2}5a^{3/2}b^{4/2}5a ^{3/2}b^{2} eg. 2: √36√6 √36*6 ^{1/2}(36*6 ^{1/2})^{1/2}36 ^{1/2}*6^{1/4}6 ^{4/4}*6^{1/4}=6 ^{5/4}^{}eg 3: ^{4}√81xy^{5}(81xy ^{5})^{1/4}(81 ^{1/4})x^{1/4}(y^{5})^{1/4}3x ^{1/4}(y^{5/4})* To solve an exponential equation, express both sides as powers with the same base and let the exponents equal each other. eg. 9 ^{x+1}= 273 ^{2(x+1)}= 3^{3}2(x+1)=3 2x+2-2=3-2 2x=1 2 2 x= 1/24 ^{2x+1}=16^{-3}4 ^{2x+1}=4^{2(-3)}2x+1=2(-3) 2x+1-1=-6-1 2X=-72 2 x= -7/2 |

this is what we did in class today and h/w is Ex #26 (omit 8,9,12,15 & 19)

and tomorrow is halloween and if you come to class with costume you'll get candy and we have quiz on // and__ I __and on the number of sets .

tomorrows scribe is PAULO