The pair of linear equations 3x+2y=5;2x-...

The pair of linear equations `3x+2y=5;2x-3y=7` have (a)One solution (b) Two solutions (c)Many solutions (d) No solution

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The system of equation x+y+z=2,3x-y+2z=6a n d3x+y+z=-18 has (a) unique solution (b) no solution (c)an infinite number of solutions (d) zero solution as the only solution

Comprehension 2 Consider the system of linear equations alphax+y+z=m x+alphay+z=n x+y+alphaz=p If alpha=1\ &\ m!=p then the system of linear equations has- a. no solution b. \ infinite solutions c. unique solution d. \ unique solution if\ p=n

The equation 2x+y+z=0, x+y+z=1, 4x+3y+3z=2 have (A) no solution (B) only one solution (C) infinitely many solutions (D) none of these

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For what values of a and b, the system of equations 2x+a y+6z=8, x+2y+b z=5, x+y+3z=4 has: (i) a unique solution (ii) infinitely many solutions (iii) no solution

The system of equations 3x+y-z=0, 5x+2y-3z=0, 15x+6y-9z=5 has (A) no solution (B) a unique solution (C) two distinct solutions (D) infinitely many solutions

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During the medical check-up of 35 students of a class, their weights ...
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