Problems · Chapter 2
The clue is in the question
Every problem has a clue. The clue tells you where to look, and the lens makes the problem short. Tap where you would look first, then compare the route with the lens against the textbook route.
- 1Reciprocal rootsIf α and β are the roots of ax² + bx + c = 0, then an equation whose roots are 1/α and 1/β is:Lens · The easy instanceJEE-style practice
- 2A root with a square rootLet p and q be real numbers. If 2 − √3 is a root of the equation x² + px + q = 0, then:Lens · The known factJEE Main 2019