Any other method plzzzzzz

If f(x) is a quadratic expression in x and [6\int_{0}^{1}{f(x)dx}]-[f(0)+4f(\frac{1}{2})]=kf(1)

then k=????????

I did it by assuming f(x)=ax2+bx+c..and got answer in 3 steps.....

Is there any other quicker or elegant method to solve it???????

6 Answers

39
Dr.House ·

wahi aasaan hain , subah tak kuch aur dekhta hun. might be rohan abhi bol dega.

24
eureka123 ·

hmmmmm...........lets see......

39
Dr.House ·

waise mcq ke liye wahiin sabse behtheriin technique hain..........

24
eureka123 ·

where is mod????

39
Dr.House ·

sorry woh square brackets ko kuch aur samaj liya........

62
Lokesh Verma ·

If it was an objective question I wud have put k=1

dont ask why. Just a hunch! :)

because 6=1+4+k

Where did i get this hunch from.. it is kind of the weighted average if you look closely :)

Your Answer

Close [X]