wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If the sum of the zeros of the quadratic polynomial kx23x+5 is 1, write the value of k.


Open in App
Solution

To find k, where the sum of zeros of quadratic polynomial f (x) = kx23x+5 is 1, then here is the solution.

Let two zeros be α and 1α. ( sum of zeros is 1 and also 1α>0α<1

Sum of zeroes = ba

i e
space space space space space s u m space o f space z e r o s equals 3 over k
space space space space space alpha plus open parentheses 1 minus alpha close parentheses equals 3 over k
space space space space space space 1 equals 3 over k
space space space space space space space k equals 3


flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Zeroes of a Polynomial
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon