Questions

α and β are the roots of the quadratic equation x2 – x – 1 = 0. What is the value of α8 + β8?

Kaleidoscope was invented by ________.

The award which, the famous writer and social activist Mahasweta Devi, who passed away recently, did not win

"Earth provides enough to satisfy everyman's need but not everyman's greed". Who said this?

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?

A change in which no new substances are formed is called _____________.

Which one of the following non­metals shows allotropy in the liquid state?

During fermentation of sugar, the compound which is always formed is