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Let the area of the triangle formed by a straight line L : x + by + c = 0 with co-ordinate axes be 48 square units. If the perpendicular drawn from the origin to the line L makes an angle of 45° with the positive x-axis, then the value of b 2 + c 2 is:

1. 97
2. 90
3. 93
4. 83

Correct answer: 97

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