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

Find the value of sec^(-1) (-2/(sqrt(3)))

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

Find the principal value of sec^(-1) (-sqrt(2))

Find (x + 1)^6 + (x-)^6 . Hence or otherwise evaluate (sqrt2 + 1)^6 + (sqrt2 - 1)^6 .

Find the range of f(x)=sqrt(1-sqrt(x^2-6x+9))

Find the value of tan^(-1)(sqrt(3))-sec^(-1)(-2)

Find the principal value of cos^(-1) (1/sqrt(2))