Provide solution for RD Sharma maths class 12 chapter 5 Determinants exercise multiple choise question 34
Correct option (c)
Solve the determinant by applying column operations.
We have to find the real root of the given determinant in interval
Here given that,
Applying C1 → C1 - C2; C2 → C2 - C3
Taking common (sin x- cos x) from column 1 and 2 , we get
Hence tan x=1 is the required answer.