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The acute angle formed between the lines...

The acute angle formed between the lines joining the origin to the points of intersection of the curves `x^2+y^2-2x-1=0` and `x+y=1`, is

A

`tan^(-1)(-1/2)`

B

`tan^(-1)2`

C

`"tan"^(-1)1/2`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
NA
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TARGET PUBLICATION-PAIR OF STRAIGHT LINES-COMPETITIVE THINKING
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