Question

structions
Question Paper
Math - Single Select Choice Math - Numeric
Select Choice
If the chord y=mx+1 of the circle x2 +y2 = 1
subtends an angle of 45° at the major segment of
the circle, then m=
None of these​

Answer 1

Answer:

Solution:-

x²+y²=(y-mx)²

x²+y²=y²-2mx+m²x²

1-m²=0

[m=+,- =1] it's answer

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