Question

Help me with this question

Answer 1

Answer:

Step-by-step explanation:

In Δ ABL,

BL² = AB² + AL²

BL² = AB² + AC/2² ( Since L is median )

4 BL² = 4 AB² + AC² ( By taking LCM and taking the 4 LHS )........I

In Δ CMA

CM² = AM² + AC²

CM² = AC²+ AB/2²

4 CM² = 4 AC² + AB²............II

By adding I AND II

4 ( CM² + BL²) = 4 AC² + AC² + AB²+4AB²

4 ( CM² + BL²) = 5 ( AC² + AB² )

4 ( CM² + BL²) = 5 BC² ( AC² + AB² = BC² )

Hence Proved

Answer 2

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Here is the Solution..

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I Hope This Will Help You ❣️^_^