Question
If x + 1/x = 3, find the value of x³ +
1/x³.Solution
Using the identity: x³ + 1/x³ = (x + 1/x)³ - 3(x + 1/x). Substituting x + 1/x = 3: x³ + 1/x³ = 3³ - 3(3). x³ + 1/x³ = 27 - 9 = 18. Correct option: a) 18
How many triangles are there in the given figure?
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
KGU HCP EYK BUF YQA ?Â
The given Venn diagram shows the number of students who uses different social media like Facebook, Instagram and Twitter. How many students use either ...
Select the option figure in which given figure is embedded. (Rotation is NOT allowed)
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
Three of the following four figure pairs are alike in a certain way and thus form a group. Which is the one that does not belong to that group?
<...
Which of the following words can be formed from the letters of the word?
DAYTIME
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
In the question below are given some statements followed by some conclusions. You have to take given statements to be true even if they seem to be at v...
In a certain code language, ‘greater than person’ is written as 476, ‘there is no greater’ is written as 8243, ‘no person is right’ is writt...
