Math, asked by sakshigupta77, 3 months ago

\mathrm{Solve : } \: \mathrm{ \sqrt{7 + \sqrt{33} } }

Answers

Answered by ITZBFF
84

 \mathsf \red{ \mathrm{Solve : }  \:  \mathrm{  \sqrt{7 +  \sqrt{33} }  }}

 \\  \\  \mathsf{multiply \: and \: divide \: with \:  \sqrt{2}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: } \\  \\   = \frac{ \sqrt{2} }{ \sqrt{2}  }  \times  \sqrt{7 +  \sqrt{33} }  \\  \\   = \frac{1}{ \sqrt{2} }  \sqrt{14 + 2 \sqrt{33}  \:}  \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  =  \frac{1}{ \sqrt{2} }  \sqrt{11 + 3 + 2(11 \times 3)}  \\  \\   \:  \:  \: =  \frac{1}{ \sqrt{2} }  \sqrt{ {( \sqrt{11}  +  \sqrt{3}  )}^{2} }  \\  \\  =  \frac{ \sqrt{11} +  \sqrt{3}  }{ \sqrt{2}}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

 \\  \boxed{ \boxed{ \mathsf \red{Formula \:  used \:  here :}}} \\  \\  \sqrt{a + b + 2 \sqrt{ab} }  \:  =  \:  \sqrt{a}  +  \sqrt{b}

Answered by Jaiganesha
0

\mathrm{Solve : } \: \mathrm{ \sqrt{7 + \sqrt{33} } }

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