Simplify 2√7- \(\frac{14}{√7} + \frac{7}{√21}\)
a
\(\frac{√21}{21}\)
b
7\(\frac{√21}{21}\)
c
\(\frac{√21}{3}\)
d
3√21
Explanation
Correct Option
cVideo Explanation
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Discussions (13)
onosebello1
2 years ago
In the question the denominator was 21 but in the answer the denominator is √21
isislangwa
3 years ago
Good morning, please can u please post an explanatory video for this surd thanks.
Simplify 2√7- 14/√7+7/21
cdt
5 months ago
It is right. The answer is Option C.
2√7-14/√7+7/√21
Solve for each, remember we don't like surd as denominators. Solve it by multiplying the denominators to both
Step 1: Solve for 14/√7
14/√7
