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[" If "(sqrt(7)-2)/(sqrt(7)+2)=a sqrt(7)...

[" If "(sqrt(7)-2)/(sqrt(7)+2)=a sqrt(7)+b" ,then the value of "a" is "],[[" (1) "(11)/(3)," (2) "-(4)/(3)],[" (3) "(4)/(3)," (4) "(-4sqrt(7))/(3)]],[" 135"]

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