At what angle should the two forces vectors 2F and `sqrt(2)` F act so that the resultant force is `sqrt(10)F`

At what angle should the two force vector 2F and sqrt(2)F act so that the resultant force is sqrt(10)F ?

At what angle should the two forces 2P and sqrt(2P) and Psqrt(2)P act so that resultant force is Psqrt(10) ?

At what angle should the two forces (vecA+vecB) and (vecA-vecB) act so that their resultant will be sqrt(3A^2+B^2) .

At what angle the two forces (vecF_1 +vecF_2) and (vecF_1-vecF_2) act so that the resultant is of magnitude sqrt(2(F_1^2+F_2^2))

At what angle do the two forces (P+Q) and (P-Q) act so that the resultant is sqrt(3P^(2)+Q^(2)) ?

At what angle must the two forces (x+y) and (x-y) act so that the resultant may be sqrt(x^(2)+y^(2))

At what angle must the two forces (x+y) and (x-y) act so that the resultant may be sqrt(x^(2)+y^(2)) ?

At what angle must the two forces (x+y) and (x-y) act so that the resultant may be sqrt(x^(2)+y^(2)) ?

At what angle must the two forces (x+y) and (x-y) act so that the resultant may be sqrt(x^(2)+y^(2))