Which of the following equals 10?
Which of the following equals 10?
निम्नलिखित में से कौन 10 के बराबर हैं?
Detailed Solution & Logic
Correct Answer:
$(\sqrt{7}+{3})^2 - 2 \sqrt{21}$
Option 1:
$\left(\sqrt{7}+\sqrt{3}\right)^2-2\sqrt{21}$
$=7+3+2\sqrt{21}-2\sqrt{21}$
=10
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