Geometrical Representation of Argument and Modulus
Assertion :Th...
Question
Assertion :There are exactly two complex numbers which satisfy the complex equations |z−4−5i|=4 and Arg(z−3−4i)=π4 simultaneously. Reason: A line cuts the circle in atmost two points.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect but Reason is correct
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Solution
The correct option is D Assertion is incorrect but Reason is correct |z−4−5i|=4 represents a circle with centre (4, 5) and radius 4. arg(z−3−4i)=π4 represents a ray emanating from point (3,4) Ray will intersect the circle at only one point. So statement (I) is false and statement (II) is true.