Quadratic modulus...

f(x)=ax^2+bx+c

Given |f(x)| \le 1 \forall x \epsilon [0,1].

Find maximum value of \left|a \right|+|b|+|c|.

10 Answers

24
eureka123 ·

anyone solved it ?

341
Hari Shankar ·

17?

11
Devil ·

yes sir....but how? [7]

24
eureka123 ·

ya how ?

1
harsh jindal ·

set your graph as

u get eqn as
8x^2-8x+1
or
-8x^2+8x-1

1
harsh jindal ·

NOTE: as sharp is the curve of quadratic Eqn more will be modulus of constants

1
Great Dreams ·

prophet bhaiya can u explain!

341
Hari Shankar ·

I had seen that some time ago on goiit and i had seen a similar qn in mathlinks, and i had given that solution there. Here's the link

http://www.goiit.com/posts/list/algebra-quadratic-expressions-46097.htm#230799

1
Great Dreams ·

thank you

24
eureka123 ·

thanx sir

Your Answer

Close [X]