In a ABC, AD is the altitude from A. Given b>c, C=23^ and AD= abc b^2-c^2 , then B is equal to

JEE Main Mathematics question

Not in JEE syllabus

In a , is the altitude from . Given , and , then is equal to

Answer: (B)

The altitude from is , and by the sine rule . So gives . But

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Question ID VK-008512