Question 4. If, then show that | 3 A | = 27 | A | Chapter 4: Determinants Maths Class 12 NCERT Textbook Solutions which is also known as NCERT Solutions helps the students to increase the speed of solving problems and improve master problem-solving skills in Question 4. If, then show that | 3 A | = 27 | A | chapter 4. The NCERT Solutions for class 12 Maths chapter 4 Chapter 4: Determinants is very importent to provide a strong foundation of all the subjects. Question 4. If, then show that | 3 A | = 27 | A | is the part of study NCERT Solutions for class 12 Maths
Question 4. If, then show that | 3 A | = 27 | A |
Answer:
LHS
=>|3A| =
Use formula
=>|3A| = 3(36 - 0) – 0(0 -0) + 3(0-0)
= 108
R.H.S
= 27{1(4 - 0) – 0(0 -0) + 1(0-0)}
= 27 x 4
= 108
LHS = RHS
Hence proved
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