Question

Let f(x) = (1 + b2) x2 + 2bx + 1 and let m(b) be the minimum value of f(x). As b varies, the range of m(b) is : (A) [0, 1] (B) 0, 2 (C) (D) (0, 1) (I.I.T. (Screening) 2001)​

Answer 1

Step-by-step explanation:

Grandfather loved animals. One day he saw this attractive monkey with a tonga- driver. The monkey was tied to a feeding- trough and seemed out of place there. Grandfather had great liking for animals. So he decided to buy Toto from the tonga- driver and bought it for five rupees. it yrlis ...

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