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CGP EDU Academic Team
Published on: August 13, 2026
In a Δ ABC, (a + b + c) (b + c – a) = λ bc, where λ∈ I, then greatest value of λ is……….
Text Solution
Verified by ExpertsThe correct answer is:
3
Ans. 3
Sol. (b + c) 2 – a 2 = λ bc
b 2 + c 2 – a 2 = bc( λ – 2)
∴ cos A = 
⇒ 
< 1 
⇒ λ < 4
∴ greatest value of λ = 3
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