Question

If p and q are the zeroes of the polynomial 2x^2 - 5x - k such that P-q = 9/2 find the value of k.
Pls answer with proper explanation

Answer 1

Step-by-step explanation:

for a quadratic equation ax^2+bx+c=0

sum of roots is (-b/a)

product of roots is (c/a)

from the relation

(m+n)^2 =(m-n)^2 +4mn

you know both sum and difference of roots

so from this relation you get answer as (-7/2)

Answer 2

Hey behn!!!

plzz refer 2 photo.

hope it helps

aur brainliest lgana mat bhoolio ✌✌