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If the lines ax+ by+p=0 ,xcosalpha+ysin...

If the lines `ax+ by+p=0` ,`xcosalpha+ysinalpha-p=0(p!=0)` and `xsinalpha-ycosalpha=0` are concurrent and the first two lines include an angle `pi/4` , then `a^2+b^2` is equal to

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
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