plz ans thins question.. and this is the full image..
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santanurath:
the answer should be 0
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Option A should bee the answer
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B)90°
'x=a' will be parallel to y-axis.
'y=b' will be parallel to x-axis.
And they are perpendicular to each other.Therefore,angle between these two lines will be 90°.
HOPE IT HELPS!!
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