Question on: JAMB Mathematics - 1990
Simplify (\sqrt{160r^2}) + (\sqrt{71r^4}) + (\sqrt{100r^2})
A
9r2
B
12\(\sqrt{3r}\)
C
13r
D
\(\sqrt{13r}\)
Ask EduPadi AI for a detailed answer
Correct Option: C
(\sqrt{160r^2 + 71r^4 + 100r^8})
Simplifying from the innermost radical and progressing outwards we have the given expression
(\sqrt{160r^2 + 71r^4 + 100r^8}) = (\sqrt{160r^2 + 81r^4})
(\sqrt{160r^2 + 9r^2}) = (\sqrt{169r^2})
= 13r
Add your answer
Please share this, thanks!
No responses