(a+b)²-(a-b)²
a²+2ab+b² - (a²-2ab+b²)
= 4ab
not sure what the logs have to do with anything here.
If loga+ logb=logab show that (a+b)²-(a-b)²=4ab
1 answer
1 answer
3 answers
1 answer
1 answer
3 answers