Mathematics 2008 Question Papers

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
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