Welk verband moet er tussen a en b
gelden opdat de rechte x + y = a
zou raken aan de cirkel   x² + y² = b ? ( b > 0 uiteraard ) | A. a = b |
---|---|
B. a = 2b | |
C. a² = 2b | |
D. b² = 2a | |
E. b = 2a |
[ 4-8221 - op net sinds 2.9.2017-(E)-27.12.2023 ]
What is the relationship between a and b in order that the line x + y = a would be tangent to the circle   x² + y² = b ? (b > 0 of course) |
A.   a = b |
---|---|
B.   a = 2b | |
C.   a² = 2b | |
D.   b² = 2a | |
E.   b = 2a |