Math, asked by biswas99biswas, 9 months ago

a,b,c,d ক্রমিক সমানুপাতিক হলে দেখাও যে,(b-c)²+(a-c)²+(b-d)²=(a-d)²

Answers

Answered by ÚɢʟʏÐᴜᴄᴋʟɪɴɢ1
11

Answer:

b²-2bc+c²+a²-2ac+c²+b²-2bd+d²=a²-2ad+d²

b²-2bc+c²-2ac+b²-2bd=0

2b²+c²-2bc-2ac-2bd=0

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