In a trapezium, the vector BC=lamdaAD. W...

In a trapezium, the vector `BC=lamdaAD`. We will then find that `p=AC+BD` is collinear with `AD`. I `p=mu` AD, then

A

`mu = lambda +1`

B

`lambda = mu +1`

C

`lambda +mu=1`

D

`mu=2+lambda`

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A

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