Bank Exam » Bank Exam Study Materials » Quantitative Aptitude » Negative powers of indices

Negative powers of indices

Introduction, Negative powers of indices, Logarithmic Law Of Negative Power Indices, Logarithmic Law Of Negative Power Indices Solving, How negative numbers are used in algebra, Examples of negative indices

When calculating the powers of any number, there are only three that stand out as being especially interesting or important. One of them is the 1st power, which represents the number itself. The 2nd power represents the square of the number, and the 3rd power represents the cube of the number, so to speak. However, what about negative indices? For example, what does -2nd power represent? How about -3rd power? Are there cases where these values could be useful to know? Read on to find out!

When a negative power of an index is used, the result can be confusing because it’s opposite to what you would expect. Understanding how negative powers of indices work in algebra can help you avoid common mistakes when you use them in your equations and formulas.

Negative powers of indices

In mathematics, indices with negative powers have been important for several centuries. By referring to these powers of indices as negative, mathematicians have chosen to adopt what has become standard terminology in their field. This is, however, a change from the previous terminology; in older texts, you may see such indices referred to as polar or absolute. The powers of polar or absolute indices could be either positive or negative. Negative powers of polar or absolute indices date back at least to Cardano in 1570 and were used by Euler starting in 1748 (although he still called them polar) but they didn’t catch on until Cauchy’s work in 1823.

Logarithmic Law Of Negative Power Indices

The logarithmic law of negative power indices states that when indices of power are multiplied, a negative product can be formed if one of them is negative. It is useful for simplifying mathematical expressions and solving equations in geometry, such as sphere problems. When you have an expression with terms containing both powers and indices, apply the logarithmic law of negative power indices to simplify your equation. The most common question asked by students when they are studying trigonometry is what they should do to get rid of radicals in terms containing logarithms. To solve such equations, first, perform any multiplications within a term that contain exponents, then simplify each result using the logarithmic law of negative power indices before finally squaring everything.

Logarithmic Law Of Negative Power Indices Solving

The logarithmic law of negative power indices solving is a fundamental rule to understand when working with vectors. It’s very useful in cases where you have to transform vectors, and it can also be applied to other scenarios. While we use it most often in applications that involve vectors, we can also use it with matrices and even numbers. For example, if we had three independent variables in our system (x1, x2 and x3), each one at its corresponding value: x1 = 1; x2 = 3; x3 = 5; The law would enable us to calculate their product.

How negative numbers are used in algebra

Negative numbers have a strange history. They have been used in various cultures throughout time and were often looked upon as evil. Today, though, negative numbers are an integral part of algebraic equations. The use of these negatives offers many benefits to solving problems; however, their negative connotation can confuse students at times. Understanding how negative powers work in mathematics is essential for both students and educators alike to master algebra. This guide will discuss how negatives are related to indices with negative powers.

Examples of negative indices

Let’s look at some examples: What do negative powers do? Indices (or powers) are like exponents, but with superscripts instead of subscripts. If you multiply two indices together, they can be positive or negative. For example, if a is a square root of -1 and b is an index with a negative value: That’s right; we multiplied an index by itself to get -b! This means that one way to solve for what’s inside x when we have variables such as a, b, and c is: y = f(x) = ax + b x ^c where x ^c means to take the square root of x using c as our n.

Conclusion

Think of indices as multipliers, or what you would need to multiply by to get the number on the left side of the index bar. When an index has a negative power, it means that if you multiply that index by the number on the left side of the bar, your answer will be negative.

faq

Frequently Asked Questions

Get answers to the most common queries related to the Bank Examination Preparation.

What is the rule for negative indices?

Ans : For example, the rule for negative indices is that the letter is reverse...Read full

What happens to negative indices?

Ans : When an index with a negative power appears in front of another index like when you multiply two indice...Read full

How do you make negative indices positive?

Ans : Once you know that a negative index can be flipped and made positive, it’s easy to do just that. Multiply yo...Read full