What is the square of LG2 + lg2lg50 + LG25
(lg2)^2+lg2lg50+lg25=(lg2)^2+lg2(lg2*25)+lg25=(lg2)^2+lg2(lg2+lg25)+lg25=2(lg2)^2+lg2lg25+lg25=2(lg2)^2+2lg2lg5+2lg5=2lg2(lg2+lg5)+2lg5=2lg2+2lg5=2(lg2+lg5)=2(lg10)=2
The square of LG2 + the square of lg5 + 2lg 2 * LG 5 is equal to?
According to the complete square formula
Then the original formula = (LG2 + lg5) ^ 2
=(lg10)^2
=1
LG square has a four meaning
lg²4=(lg2²)²=4lg²2