Math Analysis
posted by B .
(3.) The plane 2x + 3y – 4z = 5 intersects the xaxis at (a,0,0), the yaxis at (0,b,0), and the zaxis at (0,0,c). The value of a + b + c is?

Where it intersects the xaxis, y=0 and z=0. What does that give you for the value of x.
Use the equation of the plane,
P: 2x + 3y – 4z = 5 to get the answer.
Similar for the other 2 cases.
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