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PQR is a triangle such that PQ = PR. RS ...

PQR is a triangle such that PQ = PR. RS and QT are the median to the sides PQ and PR respectively. If the medians RS and QT intersect at right angle, then what is the value of `"(PQ/QR)"^(2)`?

A

a) `3//2`

B

b) `5//2`

C

c) 2

D

d) None of these

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