1. For which value of 'K the following pair of linear equations have no solution?
3x + y = 1
(2k-1X + (k-1)y = 2k + 1
2. Find the roots of the following equation.
= 3
3. Find mean of the following distribution
Class interval
frequency
0-10
20
10-20
36
20-30
44
30-40
33
40-50
18
4. Solve 2x + 3y = 11 and 2x - 4y = -24 and hence find the value of 'm' for which y = mx + 3
5. Find the values of 'K' so that following quadratic equation has two real and equal roots.
Kx(x - 2) + 6 = 0
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Answer:
what a nice question for me thankyou very much
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