Question
If a + b = 8 and ab = 5, then what is the value of a³ +
b³?Solution
ATQ;
Given, a + b = 8, and ab = 5
So, a³ + b³ = (a + b)³ - 3ab(a + b) = 8³ - 3 * 5 * 8 = 512 - 120 = 392
More Reasoning Miscellaneous Questions
Which of the following is not an example of asexual reproduction?
The shared terminal duct for the reproductive and urinary systems in males is:
- The valve between the left atrium and left ventricle is called:
Which of the following represents net primary productivity?
The amount of light entering the eye is controlled by the_________.
The plant cell wall is primarily composed of what?
Ex-situ conservation includes :
What is the name of the dividing tissue in plants?
The normal pH of human blood is approximately:
Which blood group has no antibodies?
Relevant for Exams:
