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If the product of zeroes of the quadratic polynomial f (x) =x square -4x+k is 3 . Find the value of k

Posted by Shweta Choudhary 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Ashwani Kr. Yadav 6 years, 11 months ago

Product of the zeroes =c/a

=k/1=3

=k=3

0Thank You

Naveen Sharma 6 years, 11 months ago

Ans. x² -4x + k

on comparing with ax² + bx + c we get

a= 1 b = -4 and c = k

we know that

product of roots = {tex}c\over a{/tex}

=> {tex}3 = {k\over 1}{/tex}

=> k = 3

0Thank You

ANSWER

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CBSE > Class 10 > Mathematics