Question

please answer the question
$\sqrt{ \sqrt{30 } + \sqrt{21 } \div \sqrt{30} - \sqrt{21} }$
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Answer 1

Answer:

hi

Step-by-step explanation:

$\sqrt{30} +\sqrt{21} /\sqrt{30}-\sqrt{21}$

multiply both with $\sqrt{30}+\sqrt{21}$

$\sqrt{30}+\sqrt{21}$x$\sqrt{30}+\sqrt{21}$/$\sqrt{30}-\sqrt{21}$x$\sqrt{30}+\sqrt{21}$

as we know (a+b)x(a-b)=a^2-b^2

can you solve this

add me as brainliest