(x√x)^x = x^(x√x) find x
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Answered by
7
SOLUTION:
Given
(x√x)ˣ = xˣ√ˣ
Method 1
Applying logarithms on both sides
log(x√x)ˣ = log xˣ√ˣ
→ x log x√x = x√x log x [ °.° log aⁿ = n log a]
→ x log x(x)¹/² = x(x)¹/² log x. [°.° √ = ^½]
→ x log x³/² = x³/² log x [ °.° a^m × aⁿ = a^(m+n)]
→ 3/2 x log x = x³/² log x
log x get cancelled
→ 3/2 x = x³/²
→ 3/2 = (x³/²)/x
→ 3/2 = x³/² × x-¹
→ 3/2 = x³/²-1
→ 3/2 = x¹/²
→ x = (3/2)²
→ x = 9/4
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Method 2:
(x√x)ˣ = x^(x√x)
→ (x.x¹/²)ˣ = x^(x.x¹/²)
→ (x³/²)ˣ = x^(x³/²)
→ 3/2 x = x³/² [ °.° a^m = aⁿ → m = n ]
→ 3/2 = x-¹ × x³/²
→ 3/2 = x¹/²
→ x = (3/2)²
→ x = 9/4
_______________________________
Hence , x = 9/4
Answered by
78
Given:
To Find:
- Value of x
Solution:
Hope it helps!!
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