M parallel lines in a plane are intersected by a family of n parallel lines, find the number of parallelograms that can be formed.
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2
Hey,
First, x and y must be >/= 2 for there to be at least one parallelogram.
Nest, as x increases by one, so do the number of parallelograms increase by one.
But if y increases by one the number of parallelograms doubles.
Being algebraically challenged, I will now let those so inclined to take this to completion.
HOPE IT HELPS YOU:-))
First, x and y must be >/= 2 for there to be at least one parallelogram.
Nest, as x increases by one, so do the number of parallelograms increase by one.
But if y increases by one the number of parallelograms doubles.
Being algebraically challenged, I will now let those so inclined to take this to completion.
HOPE IT HELPS YOU:-))
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7
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