The value of p so that the quadratic equation x + 5px + 16 = 0 has no real root, is
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Step-by-step explanation:
this is the answer p<-8/5 and p<8/5
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Answered by
1
Answer:
p<8 p>-8
5 5
Step-by-step explanation:
x²+5px+16
compare equation with ax²+bx+c
a=1 b=5p c=16
Here, b²-4ac=(5p)²-4(1)(16)
=25p²-64
Equation has no real roots --------(Given)
b²-4ac<0
25p²-64<0
25p²<64
p²<64
25
Taking square root on both sides,
p<8
5
Thus,p<8 p>-8
5 5
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