Let L =10+ . The number of triangles ABC such that b+10= c+L B is

JEE Advanced Mathematics question

Not in JEE syllabus

Let . The number of triangles ABC such that is

Answer: (C)

( is the "tabular" logarithm.) The condition is

b+10= c+10+ B⇒ b=c B.

By the sine rule , , so $ B= C B⇒ C=1⇒

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Question ID VK-108751