Question 7. Find values of x/, if Chapter 4: Determinants Maths Class 12 solutions are avalable at ourwebsite to help the students. Question 7. Find values of x, if is solved by our expert teachers. You can get ncert solutions and notes for class 12 chapter 4 absolutely free. NCERT Solutions for class 12 Maths Chapter 4: Determinants will definitely help in improving your marks in CBSE Board examinations.
Question 7. Find values of x, if
Solution: (i)
2(1) - 5(4) = 2x(x) – 6(4)
- 18 = 2x2 – 24
- 18 + 24 = 2x2
6 = 2x2
3 = x2
(ii)
2 (5) – 3(4) = x(5) – 2x(3)
10 – 12 = 5x – 6x
-2 = - x
x = 2
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