Advertisements
Advertisements
Question
Choose the correct alternative:
The number of real numbers in [0, 2π] satisfying sin4x – 2 sin2x + 1 is
Options
2
4
1
`oo`
MCQ
Solution
2
shaalaa.com
Descartes Rule
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Discuss the maximum possible number of positive and negative roots of the polynomial equation 9x9 – 4x8 + 4x7 – 3x6 + 2x5 + x3 + 7x2 + 7x + 2 = 0
Discuss the maximum possible number of positive and negative roots of the polynomial equations x2 – 5x + 6 and x2 – 5x + 16. Also, draw a rough sketch of the graphs
Show that the equation x9 – 5x5 + 4x4 + 2x2 + 1 = 0 has atleast 6 imaginary solutions
Determine the number of positive and negative roots of the equation x9 – 5x8 – 14x7 = 0
Find the exact number of real zeros and imaginary of the polynomial x9 + 9x7 + 7x5 + 5x3 + 3x
