If one zero of the quadratic polynomial x square + kx + 27 is three times the other find the value of k
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Answered by
11
p(x)=x^2+kx+27
let € and $ be zeros of p(x)
by given condition
€ = 3$
Now,we know €$=c/a
in eqn>a=1, b=k, c =27
€$=27/1
(3$)$=27
3$^2=27
$^2=9
$=3
now,
€=3$
€=3×3
€=9
let € and $ be zeros of p(x)
by given condition
€ = 3$
Now,we know €$=c/a
in eqn>a=1, b=k, c =27
€$=27/1
(3$)$=27
3$^2=27
$^2=9
$=3
now,
€=3$
€=3×3
€=9
Answered by
2
Answer:
-12
Step-by-step explanation:
let the zero be a and second zero be 3a
a*3a=27/1
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