If then let us show that

5

Let us prove:

5

Let us prove:

x^{logy – logz} × y^{logz – logx} × z^{logx – logy} = 1

6

If a⁴ + b⁴ = 14a²b², then let us show that log (a² + b²) = log a + log b + 2log2.

7

If then let us show that xyz = 1