Trigonometrical Equations 1 Question 21
21. Let be three non-zero real numbers such that the equation , has two distinct real roots and with . Then, the value of is
(2018 Adv.)
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Answer:
Correct Answer: 21. (0.5)
Solution:
- We have,
are the roots of
On subtracting Eq. (ii) from Eq. (i), we get