AP EAMCET Engineering 2018 Apr 23 Shift 2 Paper

Section: Mathematics

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Question : 26 of 160

Marks: +1, -0

In ∆ABC, if acos2

C

2

+ccos2

A

2

=

3b

2

then

2b=a+c
b2=ac
1
b
=
1
a
+
1
c
a=c

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