simplify the following expression.?

2009-03-05 11:00 am
4ln 4 + 7 ln32

回答 (4)

2009-03-05 11:04 am
✔ 最佳答案
4 ln 2 ² + 7 ln 2^5
8 ln 2 + 35 ln 2
43 ln 2
2009-03-05 11:28 am
4ln(4) + 7ln(32)
= 4ln(2^2) + 7ln(2^5)
= 4(2)ln(2) + 7(5)ln(2)
= 8ln(2) + 35ln(2)
= (8 + 35)ln(2)
= 43ln(2)
2009-03-05 11:10 am
JUST TAKE YOUR ANSWER MAN.

4 ln 2^2 + 7 ln 2^5

(4 * 2) ln 2 + (7 * 5) ln 2 _________ {
from the law of indises
ln x^c = c * ln x
}
8 ln 2 + 35 ln 2

( 8 + 35 ) ln 2

43 ln 2

now take the value of ln 2 from the log table and this will gives you solution
參考: my maths concept
2009-03-05 11:08 am
4(ln(2^2))+ 7 (ln(2^5)
8(ln 2) + 35 (ln 2)
= 43 (ln2)


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