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If the system of linear equations x1 + 2...

If the system of linear equations `x_1 + 2x_2 + 3x_3 = 6, x_1 + 3x_2 + 5x_3 = 9, 2x_1 + 5x_2 + ax_3=b` , is consistent and has infinite number of solutions, then :-

A

a = 8, b can be any real number

B

b = 15, a can be any real number

C

`a inR-{8} and b inR-{15}`

D

`a=8,b=15`

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The correct Answer is:
D
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