Let us solve:

8

If then let us show that xyz = 1

(a)x^b+c . y^c+a . z^a+b = 1

(b)

9

If, a^3–x . b^5x = a^5+x . b^3x, then let us show that,

10

Let us solve:

log₈x + log₄x + log₂x = 11

11

Let us show that the value of log₁₀2 lies between