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If in the given figure, PQ = a, PR = 4 c...

If in the given figure, PQ = a, PR = 4 cm, while O is the centre of the circle and S is a point between O and Q such that PS `bot` QR. Find the length of OP.

A

`(sqrt(16 + a^(2)))/(2)`

B

`(16 - a^(2))/(2 sqrt(a^(2) + 16))`

C

`(4a - 16)/(16a - a^(2))`

D

`(2 sqrt(a^(2) - 16))/(16 + a^(2))`

Text Solution

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The correct Answer is:
A
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