Find the nature of roots of polynomial x²-7×-60
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Answer:
Roots will be positive and different
Step-by-step explanation:
x² - 7x - 60 = 0
Nature of roots is finded by discriminant (D)
D = b² - 4ac , where
a = 1 , b = -7 , c = -60
D = (-7)² - 4*1*(-60)
D = 49 + 240
D = 289
D > 0
Hence roots will be positive and different
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Answered by
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Step-by-step explanation:
comparing equation with ax^2 +bx+c
a = 1,b= -7,c= -60
D = b^2 -4ac
= -7^2 - 4 × 1×-60
= 14 +240
= 254
hence D greater than 0 ,the roots are real.
hope this will helpful.
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