If x + y = 14, then the value of $x^3 +

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

If x + y = 14, then the value of $x^3 + y^3 + 42 xy$ is :

Options:

2744

2644

2741

2714

Correct Answer:

2744

Explanation:

If x + y = 14

Then the value of $x^3 + y^3 + 42 xy$

Here one equation and two variables are given then we can take one variable according to our choice.

So put y = 0

If x = 14

Then the value of $x^3 $ = $14^3 $ = 2744