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Algebra
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Qanda teacher - P Saha
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Student

it is root of 7

not 7

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Qanda teacher - P Saha
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Student

why did u do squaring in the numerator?

thank you sir i understood the question

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Qanda teacher - P Saha

not square.. take lcm in denominator.. automatically there will be square in numerator

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Student

i got it sir thank you

Similar problem
search-thumbnail-$at\left(\dfrac {\sqrt{7} +i\sqrt{3} } {\sqrt{7} -i\sqrt{3} }+\dfrac {\sqrt{7} -i\sqrt{3} } {\sqrt{7} +i\sqrt{3} }\right)$ is real. 
$22\right)$ Show that
10th-13th gradeProbability and Statistics
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search-thumbnail-The rationalizing factor of \sqrt{23} is 
$°$ $Options^{°}$ $0$ 
A 24 
23 
C \sqrt{23} 
D None of these
7th-9th gradeOther
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