TS EAMCET 6-Aug-2021 Shift 1 Question Paper

Section: Mathematics

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Question : 28 of 160

Marks: +1, -0

In a ΔABC, if acos2

C

2

+ccos2

A

2

=

3b

2

, then

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

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