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JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

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In Δ  ABC\Delta\; ABC, if sin⁡2A2,sin⁡2B2,sin⁡2C2{\sin ^2}\frac{A}{2},{\sin ^2}\frac{B}{2},{\sin ^2}\frac{C}{2} be in HP, then a,  b,  ca,\;b,\;c will be in
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Correct option: C
HP
Option C (HP) is correct because if the sines squared are in HP, then the sides a, b, c are also in HP.

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