Qualification > Math
IGCSE MATHS Doubts
Fastal:
--- Quote from: ~VIN1094~ on May 09, 2010, 09:36:08 am ---Its clearly shear .. y axis invariant line .. im a lil confused about factor .. i think its 0.5 .. check in the ms ..
--- End quote ---
how do you know about invariant line?
Vin:
the image always moves perpendicular to the invariant .. here the image moves to the right if u turn the page 90o aticlockwise u can see the image has moved exactly upwards or perpendicular .. :)
Ghost Of Highbury:
i thought it was x-axis invariant line ...
Vin:
i think its x axis .. ya ur right .. always get confused with such kinda sums ..!! can u tell me how can u be sure wid the invariant line ??
Ghost Of Highbury:
im confused abt it too, i know its something parallel to x-axis or the x-axis...x-axis because the point parallel to it dont change in shape, or move...
@astar - answer this doubt, it can be anything parallel to x-axis rite? but if it is , v'll get different shear factors..plz help.
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