### Quantitative Aptitude

## CHAIN RULE MCQs

### Total Questions : 66

**Page 1 of 4 pages**

### Does Chain Rule Come Before Product Rule?

First apply the product rule, then apply the chain rule to each term of the product.

### How Does Chain Rule Help You Solve The Derivatives Of Composite Functions?

Instead, we use the chain rule, which states that the derivative of a composite function is the derivative of the outer function evaluated at the inner function times the derivative of the inner function. To put this rule into context, let's take a look at an example: h(x)=sin(x3).

### What Is Chain Rule In Integration?

The chain rule says if you take the derivative with respect to x of f(g(x)) you get f'(g(x))*g'(x). That means if you have a function in THAT form, you can take the integral of it to look like f(g(x)). The process of doing this is traditionally u substitution.

### What Is Chain Rule In Ratio And Proportion?

Aptitude :: Chain Rule:

Direct Proportion: Two quantities are said to be directly proportional, if on the increase (or decrease) of the one, the other increases (or decreases) to the same extent. Eg. Cost is directly proportional to the number of articles. (More Articles, More Cost)

### Why Is Chain Rule Multiplication?

This rule is called the chain rule because we use it to take derivatives of composties of functions by chaining together their derivatives. The chain rule can be thought of as taking the derivative of the outer function (applied to the inner function) and multiplying it times the derivative of the inner function.

### Why Is Chain Rule Used?

We use the chain rule when differentiating a 'function of a function', like f(g(x)) in general. We use the product rule when differentiating two functions multiplied together, like f(x)g(x) in general. Take an example, f(x) = sin(3x).

### Why Is The Chain Rule Used?

The chain rule gives us a way to calculate the derivative of a composition of functions, such as the composition f(g(x)) of the functions f and g.

### How Are Composite Functions And The Chain Rule Related?

The function g takes x to x2 + 1, and the function h then takes x2 +1to(x2 + 1)17. Combining two (or more) functions like this is called composing the functions, and the resulting function is called a composite function.

### How Do You Know When To Use The Chain Or Product Rule?

We use the chain rule when differentiating a 'function of a function', like f(g(x)) in general. We use the product rule when differentiating two functions multiplied together, like f(x)g(x) in general.

### How Do You Simplify The Chain Rule?

Chain Rule:

- Step 1: Identify the inner function and rewrite the outer function replacing the inner function by the variable u.
- Step 2: Take the derivative of both functions.
- Step 3: Substitute the derivatives and the original expression for the variable u into the Chain Rule and simplify.
- Step 1: Simplify.

### How Many Times Do You Do Chain Rule?

In other words, we are applying the chain rule twice. Notice that the derivative of the composition of three functions has three parts. (Similarly, the derivative of the composition of four functions has four parts, and so on.) Also, remember, we can always work from the outside in, taking one derivative at a time.

### How Was Chain Rule Discovered?

Specifically, Newton discovered that if there exists a function F(t) that denotes the area under the curve y = f(x) from, say, 0 to t, then this function's derivative will equal the original curve over that interval, Fβ²(t) = f(t).

### On What Instance Does The Chain Rule Of Differentiation Applicable Explain Briefly?

We use the chain rule when differentiating a 'function of a function', like f(g(x)) in general. We use the product rule when differentiating two functions multiplied together, like f(x)g(x) in general.

### What Is Chain Rule In Aptitude?

Chain rule Principle:

If the missing part is greater than the given part, then the numerator (n) is kept greater than the denominator (d) i.e. n/d>1, where n & d are the given parts of other element.

### What Is The Concept Of The Chain Rule?

A mathematical rule concerning the differentiation of a function of a function (such as f [u(x)]) by which under suitable conditions of continuity and differentiability one function is differentiated with respect to the second function considered as an independent variable and then the second function is

### What Is The Difference Between Chain Rule And Power Rule?

The general power rule is a special case of the chain rule. It is useful when finding the derivative of a function that is raised to the nth power. The general power rule states that this derivative is n times the function raised to the (n-1)th power times the derivative of the function.

### What Is The Point Of Chain Rule?

The chain rule states that the derivative of f(g(x)) is f'(g(x))β g'(x). In other words, it helps us differentiate *composite functions*. For example, sin(xΒ²) is a composite function because it can be constructed as f(g(x)) for f(x)=sin(x) and g(x)=xΒ².

### What Is The Reverse Process Of Chain Rule?

We recall that the chain rule tells us that if π is differentiable at π₯ and π is differentiable at π ( π₯ ) , then d d π₯ ( π ( π ( π₯ ) ) ) = π β² ( π₯ ) π β² ( π ( π₯ ) ) . This is known as the reverse chain rule since it is found by reversing the chain rule by integration.

### Why Is The Chain Rule Called The Chain Rule?

It is called the chain rule because the derivative of composites of functions is used by chaining their derivatives together.

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