1.

3. If the system of linear equations:x + 3y +7z=0-x+4y +7z=0(sin38)x+(cos28)y + 2z = 0has a non-trivial solution, then the numberof values of lying in the interval [0, ,is :(1) more than three(2) one3) two(4) three

Answer»

3 is the right answer



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