In the given figure (circle), P T=5,P D=...

In the given figure (circle), `P T=5,P D=7a n dP A=2,` then the value of `P B-P C=?` Fig

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Knowledge Check

If a/3=b/4=c/7=(7a-4b+3c)/p then the value of P is

A

25

B

26

C

27

D

28

If a,b,c are in H.P , b,c,d are in G.P and c,d,e are in A.P. , then the value of e is

A

`(ab^(2))/((2a-b)^(2))`

B

`(a^(2)b)/((2a-b)^(2))`

C

`(a^(2)b^(2))/((2a-b)^(2))`

D

None of these

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