Math Chapter Wise question with answer

Q01 If the equation αx2 +βy2 +2z2 –2αx–4βy–40 = 0 represents a sphere, its radius is: English · UP PCS (Pre) 2001 Q02 The equation of a sphere circumscribing a tetrahedron whose faces are x = 0, y = 0, z = 0 and x y z + + = 1 a b c i... English · NVS PGT 2022 Q03 Equation λ S + λ S = 0 1 1 2 2, does not represent an equation of sphere, that passes through the intersection of t... English · RPSC PGT 2022 Q04 Equation of the sphere having the points (2,1, − −3) and (1, − − −2,4) as the ends of the diameter is English · DSE TGT 2022 Q05 The equation of the sphere passing through the origin and making intercepts 1, 3, 5 with the three coordinate axes... English · UP PGT 2021 Q06 The equation of the director sphere of the central conicoid 2 2 2 2 2 2 x y z + + = 1 a b c is English · UP PGT 2021