Find the value of ` (sqrt2 + sqrt8)^(2)`

Find the value of 2 sqrt(245)

Find the value of log_2sqrt128

Find the value of (sqrt2+sqrt3)div(sqrt2-sqrt3) .

Find the value of 4div(3-sqrt2) .

Find the value of x : (sqrt(3)+sqrt(2))^(x)+(sqrt(3)-sqrt(2))^(x)=10

If sqrta : sqrtb = sqrt3 : sqrt2 " and " sqrtb : sqrtc = sqrt3 : sqrt2 , then find the value of (sqrta + sqrtb ) : ( sqrtb + sqrtc) .

Find the value of (sqrt11 + sqrt7) (sqrt11 -sqrt7)

Find the value of (sqrt(2)+1)^6-(sqrt(2)-1)^6dot

Find the value of (sqrt(2)+1)^4-(sqrt(2)-1)^4dot

Find the value of (sqrt(10)-sqrt5)/(2sqrt2) upto three decimal places. (take sqrt2=1.414 and sqrt5=2.236 )