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Mathematics
Mathematics
Problem
Answer the following questions related to radicals. a. (i) Define an irrational number. b. (ii) Write the conjugate of
5
+
2
7
5+2\sqrt{7}
5
+
2
7
. c. (iii) State the algebraic identity that relates the product
(
u
+
v
)
(
u
−
v
)
(u+v)(u-v)
(
u
+
v
)
(
u
−
v
)
to
u
u
u
and
v
v
v
.
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