This isn’t the first brain teaser shared by 'Brainy Quiz' to catch the attention of social media users. Just recently, ...

An inverse function is written as 𝑓\(^-\)\(^1\)(𝑥). The inverse function of 𝑓(𝑥) is said aloud as 'inverse 𝑓 of 𝑥'. To find an inverse function, the equation is rearranged to ...

Condition (7) ensures that the matrix in (3) has diagonal form. Let be a unit vector orthogonal to the unit normal vector of the plane, so that Equations (4) hold. A suitable vector is obtained as a ...

Try these discussions to improve your speaking and listening. There are 20 questions in each activity - 10 for Student A and 10 for Student B. You can print out the worksheet. You can listen to the ...