`abc > 1`
`abc > - 8`
`abc < - 8`
`abc > - 2`
`0`
`(1+a^2+b^2)`
`(1+a^2+b^2)^2`
`(1+a^2+b^2)^3`
`(Delta (b ,c , d))/( Delta (a ,b , c))`
`- (Delta (b ,c , d))/( Delta (a ,b , c))`
`(Delta (a ,c , d))/( Delta (a ,b , c))`
`- (Delta (a ,c , d))/( Delta (a ,b , c))`
`(Delta_2 // Delta_1, Delta_ 3 // Delta_1 )`
`(Delta_3 // Delta_1, Delta_ 2 // Delta_1 )`
`(Delta_1 // Delta_2, Delta_ 1 // Delta_3 )`
`(- Delta_1 // Delta_2 , - Delta_ 1 // Delta_3 )`
`180`
`100`
`80`
None of these
`0`
`1`
`-1`
`n`
` 1/3 ` or `1`
`1/sqrt(2)` or `sqrt(3)/2`
`0` or `1/2`
None of these
`Delta`
`Delta^2`
`Delta^3`
`0`
zero
positive
negative
`q^2 + pr`
cos A cos B cos C
sin A sin B sin C
`0`
None of these
`0`
`1`
`100`
`10`
`Delta_1=2( Delta_2)^2`
` frac{d}{dx} ( Delta_1)=3 Delta_2`
` \frac{d}{dx} (\Delta_1)=3(\Delta_2)^2`
`\Delta_1=3(\Delta_2)^{3/2}`
`−abc`
`abc`
`0`
None of these
`(2,oo)`
`(-oo ,-2)`
`[2,oo )`
`(-oo, 2]`
`P`
`I-P`
`2I+P`
`2I-P`
independent
independent of a
independent of n
None of these