Find the harmonic mean of the roots of the equation `(5+sqrt2)x^2-(4+sqrt5)x+(8+2sqrt5)=0`

Find the harmonic mean of the roots of the equation (5+sqrt(2))x^(2)-(4+sqrt(5))x+(8+2sqrt(5))=0

The harmonic mean of the roots of the equation (5+sqrt(2))x^(2)-(4+sqrt(5))x+8+2sqrt(5)=0 is 2 b.4 c.6d.8

Find the roots of the equation sqrt(2)x^(2)+7x+5sqrt(2)=0

The roots of the equation 4x^(2)-2sqrt(5)x+1=0 are

(6) sqrt(5)x^(2)-2sqrt(2)x-2sqrt(5)=0