Question

3.
if the product of zeroes of quadratic polynomial
f(x) = x² - 4x + k is 3. Find the value of k.​

Answer 1

Step-by-step explanation:

sum=4

product =k

f(3)=(3)²-4(3)+k

9-12+k

k=3

Answer 2

for any quadratic equation

x²-(sum of roots)x+product of the roots

hence, k=3