In triangle ABC,A=60 and ad is median,then prove 4ad²=c²+b²+bc plz help friends if you don't know then don't answer plzif you given unwanted answers I'll report your 33 Quotions plz help guys

In triangle ABC,A=60 and ad is median,then prove 4ad²=c²+b²+bc pl

1.	In triangle ABC,A=60 and ad is median,then prove 4ad²=c²+b²+bc plz help friends if you don't know then don't answer plzif you given unwanted answers I'll report your 33 Quotions plz help guys
Answer» -We have, APPLYING law of cosine in , we have, On SIMPLIFYING, we get, From (i), we get, HENCE Proved.

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In triangle ABC,A=60 and ad is median,then prove 4ad²=c²+b²+bc plz help friends if you don't know then don't answer plzif you given unwanted answers I'll report your 33 Quotions plz help guys​

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In triangle ABC,A=60 and ad is median,then prove 4ad²=c²+b²+bc plz help friends if you don't know then don't answer plzif you given unwanted answers I'll report your 33 Quotions plz help guys