Sol. See Q. 17, 2008 (I Outside Delhi).
Q. 17.
Sol.
Q. 18. Solve the following pairs of equation for x and y
\
Sol
Multiplying equation (i) by 8 and equation (ii) by 3, and subtracting (ii) from (i)
Or
For what values of k will the following pair of linear equations have infinitely many solutions?
| Mathematics 2008 Question Papers Class X | |||||||
| Delhi | Outside Delhi | Compartment Delhi | Compartment Outside Delhi | ||||
 |
All Sets(PDF) | |
Set 1 | |
Set 1 | ||
|
Set 2 | |
Set 2 | ||||
|
Set 3 | |
Set 3 | ||||
