3. Write the nature of two roots of the equation 2x+ + 7x + 3 = 0.
Question
3. Write the nature of two roots of the equation 2x+ + 7x + 3 = 0.
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Mathematics
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2021-07-17T15:14:48+00:00
2021-07-17T15:14:48+00:00 1 Answers
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Answer:
Roots are real and positive
Step-by-step explanation:
(b²-4ac) define the nature of roots.
2x²+7x+3 =0
Comparing with standard quadratic equation ax²+bx+c =0
Here, a=2 , b=7 , c=3
Therefore,
b²-4ac
= (7)²- 4(2)(3)
= 49 – 24
= 25 > 0
=> b²-4ac >0
=> Roots are real and positive.