Question on: WAEC Mathematics - 2007
Simplify \(3\sqrt{45}-12\sqrt{5}+16\sqrt{20}\)leaving your answer in surd form
A
\(29\sqrt{5}\)
B
\(14\sqrt{15}\)
C
\(12\sqrt{15}\)
D
\(11\sqrt{5}\)
Ask EduPadi AI for a detailed answer
Correct Option: A
\(3\sqrt{45}-12\sqrt{5}+16\sqrt{20}\
3\sqrt{5\times 9}-12\sqrt{5}+16\sqrt{4\times 5}\
3\times 3\sqrt{5}-12\sqrt{5}+16\times 2\sqrt{5}\
9\sqrt{5}-12\sqrt{5}+32\sqrt{5}\
29\sqrt{5}\)
3\sqrt{5\times 9}-12\sqrt{5}+16\sqrt{4\times 5}\
3\times 3\sqrt{5}-12\sqrt{5}+16\times 2\sqrt{5}\
9\sqrt{5}-12\sqrt{5}+32\sqrt{5}\
29\sqrt{5}\)
Add your answer
Please share this, thanks!
No responses