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question mark

if (a-b) (s-c) = (b-c) (s-a) then r1, r2,& r3 are in

a)a.p

b)g.p

c)h.p

d)none

sidharth G , 15 Years ago
Grade 11
anser 1 Answers
SAGAR SINGH - IIT DELHI

Dear student,

We know that s= a+b+c/2 so putting its value we found that

r1, r2,& r3 are in GP...

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