Question

Simplify the following surd expressionsa) 6√2 -5√2b) √11 + 3√11​

Answer 1

Answer:

a) 6√2 -5√2-_________________       √2     (6-5=1)

b) √11 + 3√11​ =  1√11 + 3√11​ _______       4√11​   (1+3=4)

Step-by-step explanation:

a ) have the same surd factor, so just  find the difference of rational co-efficient of like surds.

b) have the same surd factor ,so just  find the sum  of rational co-efficient of like surds.

Answer 2

A) √2
b) 4 √11


tip: if the surds are the same you can add and subtract the other number as normal!!

hope that helps!