Find the leastvpisitive value of k for whicjbx2+kx+16=0
Answers
Answered by
4
❤2+kx+16=0
2+kx=-16
kx=-16-2
kx=-18
k=-18/x
2+kx=-16
kx=-16-2
kx=-18
k=-18/x
Answered by
6
Question:
Find the least positive value of k for which the x2+Kx+16=0 has real roots.
Answer:
Given equation,
x² + kx + 16 = 0
According to,
D = B² - 4AC
k² - 4 × 1 × 16
k² = 64
If D > 0 , it will have real roots.
D > 0 => K² - 64 > 0
k² > 64
k > +8 or -8 !!
____________________
thanks ☺️☺️
Find the least positive value of k for which the x2+Kx+16=0 has real roots.
Answer:
Given equation,
x² + kx + 16 = 0
According to,
D = B² - 4AC
k² - 4 × 1 × 16
k² = 64
If D > 0 , it will have real roots.
D > 0 => K² - 64 > 0
k² > 64
k > +8 or -8 !!
____________________
thanks ☺️☺️
Similar questions