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avatar+-291 

Find the value of \($\sqrt{a}\cdot\sqrt{a+6}\cdot\sqrt{b}\cdot\sqrt{b+6}$ for $(a,b)=(7,91)$.\)

 Mar 27, 2020
 #1
avatar+111330 
+1

√7 * √ [ 7 + 6] * √91 * √[ 91 + 6 ]  =

 

√7 * √ 13  *  √ 91  * √ 97   =

 

√ [ 7 * 13 ] *  √91  * √97

 

√ 91  * √91  *  √97  =

 

       91√97

 

 

cool cool cool

 Mar 27, 2020
 #2
avatar+1970 
+1

You beat me to it!!!

CalTheGreat  Mar 27, 2020

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