real
imaginary
greater than ` 1`
equal
`a, b, c` are in `GP`
`a, b, c` are in `AP`
`a x^2 + 2bx + c >= 0` for all `x`
`a x^2 + 2bx + c = 0` for all `x`
`1`
`2`
`3`
`4`
` a in R`
`a= -4/5`
`a= 5/3`
no value of `a`
`(2, 4)`
`(2, 4]`
`[2, 3]`
`[2, 4)`
`8`
`16`
`24`
`32`
`b^2 - 4ac`
`b^2 - 2ac`
`2 b^2 - ac`
None of these
`a^2 : p^2`
`a^2 : q^2`
`a^2 : r^2`
`b^2 : p^2`
`bc ne 0`
`Delta ne 0`
`Delta b =0`
`Delta c =0`
`a > 9/2`
`a < 0`
`a > 0`
None of these
`(1/2,1)`
`(-1/2,1)`
`(-1/2,-1)`
None of theses
`-2, 2, - 4`
`-2, 2, 4`
`3, 2, - 2`
`4, 4, 3`
` i 2 ^{ n+1 }\sin ( { n\pi }/{ 3 } ) `
` 2 ^{ n+1 }\cos ( { n\pi }/{ 3 } )`
` i 2 ^{ n-1 }\sin ( { n\pi }/{ 3 } )`
`2 ^{ n-1 }\cos ( { n\pi }/{ 3 } )`
`2`
`0`
`1`
`3`
`(-oo, 0)`
`(-oo, -1)`
`(1, 2)`
`(3/2,2)`
`d/a, e/b , f/c ` are in `HP`
`d/a, e/b , f/c ` are in `GP`
`2 dbf = aef + cde`
`b^2df = ace^2`
`(4/5, 2)`
`(2, oo)`
`(-1, - 4/5)`
`(-oo, -1)`
(This question may have multiple correct answers)