find the Discriminant and nature of roots of
4.) 2x^2 + 5x - 4 = 0
5.) 9x^2 - 6x + 1 = 0
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find the Discriminant and nature of roots of
4.) 2x^2 + 5x - 4 = 0
5.) 9x^2 - 6x + 1 = 0
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Step-by-step explanation:
4.) 2x²+5x-4=0
Discriminant:
a=2 b=5 c=-4
b²-4ac
5²-4(2)(-4)
25+32
57
Nature of the roots:
Two real roots
5.) 9x²-6x+1=0
Discriminant:
a=9 b=-6 c=1
b²-4ac
(-6)²-4(9)(1)
36-36
0
Nature of the roots:
1 Real Roots