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Simplify the expression x(2x^{-\frac{1}{4}})^4

To simplify the expression x(2x^{-\frac{1}{4}})^4, we need to apply the exponent rules.

First, we distribute the exponent 4 to both the constant and the variable inside the parentheses:

x(2x^{-\frac{1}{4}})^4 = x(2^4 (x^{-\frac{1}{4}})^4)

Now, we simplify the terms:

2^4 = 16 (x^{-\frac{1}{4}})^4 = x^{-\frac{1}{4} \cdot 4} = x^{-1}

So, the expression becomes:

x(16x^{-1})

Now, we multiply the terms:

x(16x^{-1}) = 16x \cdot x^{-1} = 16x^{1 + (-1)} = 16x^0

Since x^0 = 1 (assuming x \neq 0), the expression simplifies to:

16 \cdot 1 = 16

Therefore, the simplified expression is 16.

**Answer:** The simplified expression is 16.

The significance of indices in A Level Mathematics cannot be overstated, as they serve as a foundational concept that is intricately connected to various other mathematical disciplines, particularly calculus. Indices, or exponents, are essential for simplifying expressions and solving equations, and they play a crucial role in understanding exponential growth and decay, which are pivotal in calculus applications. 

Mastery of indices enables students to manipulate algebraic expressions effectively, facilitating a smoother transition into more complex topics such as differentiation and integration, where the principles of indices are frequently employed to analyze functions and their behaviors.

Furthermore, engaging in active A Level Maths Easter Revision is vital for reinforcing these concepts and ensuring a comprehensive understanding of the material. This period of focused study allows students to revisit and consolidate their knowledge of indices, alongside other interconnected topics, through practice and application. 

Active revision strategies, such as problem-solving sessions and collaborative study groups, can enhance retention and comprehension, ultimately preparing students for the rigors of their examinations. By dedicating time to this intensive revision, students can build confidence in their mathematical abilities and improve their performance in both indices and calculus, leading to a more successful academic outcome.

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