If the harmonic mean between roots of `(5+sqrt(2))x^2-b x+8+2sqrt(5)=0i s4` , then find the value of `bdot`

Solve sqrt(5)x^(2) + x + sqrt(5)=0

If x=sqrt5+2 , then find the value of x^2+1/x^2

If (sqrt(8)+i)^(50)=3^(49)(a+i b) , then find the value of a^2+b^2dot

Find the roots of sqrt2 x^(2) + 7x + 5 sqrt2 = 0

Find the roots of x^(2) + x/sqrt(2)+1=0

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

If the difference between the roots of the equation x^(2)+ax+1=0 is less then sqrt(5) , then the set of possible values of a is

If the product of the roots of the equation (a+1)x^2+(2a+3)x+(3a+4)=0i s2, then find the sum roots.

Find the roots of x^(2) + x + 1/sqrt(2)=0

Find the square root of 5+2sqrt6