Question

Log28(4)+log28(7) режить

Answer 1

Сумма логарифмов с одинаковым основанием из произведение:
Log28(4*7)=log28(28)=1

Answer 2

Всё решаем по формулам.

Answer 3

To solve the expression log₂₈(4) + log₂₈(7), we can use the logarithm rule:

log_b(x) + log_b(y) = log_b(xy)

Using this rule, we can rewrite the expression as a single logarithm:

log₂₈(4) + log₂₈(7) = log₂₈(4 * 7)

Now, we can simplify the expression inside the logarithm:

4 * 7 = 28

Therefore, the expression becomes:

log₂₈(4) + log₂₈(7) = log₂₈(28)

Now, we need to find the exponent to which we raise 28 to get the result. In other words:

log₂₈(28) = x ⟺ 28^x = 28

Since any number raised to the power of 1 is the number itself:

x = 1

So, the solution to the expression is:

log₂₈(4) + log₂₈(7) = log₂₈(28) = 1