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A: IF InaDelta ABC, c cos^2""A/2+a cos^2""C/2=(3b)/2 then a,b,c are In A.P. R: In a Delta ABC,a cos C+ c cos A=b

Answer»

A is TRUE, R is true and R is correct explanation of A
A is true, R is true and R is not correct explanation of A
A is true, R is false
A is false, R is true

Answer :A


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