4. If in a ΔABC , angle C=60^° , then show that [1÷(a+c)]+[1÷(b+c) – InterviewSolution

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1.	4. If in a ΔABC , angle C=60^° , then show that [1÷(a+c)]+[1÷(b+c)]=[3÷(a+b+c)]
Answer» 4. If in a ΔABC , angle C=60^° , then show that [1÷(a+c)]+[1÷(b+c)]=[3÷(a+b+c)]

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