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Chapter 4 सारणिक (Determinants) Ex 4.6 Solutions

Question - 1 : -
x + 2y = 2
2x + 3y = 3

Answer - 1 : -


Question - 2 : -
2x – y = 5
x + y = 4

Answer - 2 : -


Question - 3 : -
x + 3y = 5
2x + 6y = 8

Answer - 3 : -


Question - 4 : -
x + y + z = 1
2x + 3y + 2z = 2
ax + ay + 2az = 4

Answer - 4 : -


Question - 5 : -
3x – y – 2z = 2
2y – z = – 1
3x – 5y = 3

Answer - 5 : -


Question - 6 : -
5x – y + 4z = 5
2x + 3y + 5z = 2
5x – 2y + 6z = – 1

Answer - 6 : -


Question - 7 : - निम्नलिखित प्रश्न 7 से 14 तक प्रत्येक समीकरण निकाय को आव्यूह विधि से हल कीजिए।
5x + 2y = 4
7x + 3y = 5

Answer - 7 : -

दिया हुआ समीकरण निकाय
5x + 2y = 4
7x + 3y = 5

Question - 8 : -
2x – y = – 2
3x + 4y = 3

Answer - 8 : -

दिया हुआ समीकरण निकाय
2x – y = – 2
3x + 4y = 3
समीकरण निकाय AX = B के रूप में लिखा जा सकता है अत: x = A-1B

Question - 9 : -
4x – 3y = 3
3x – 5y = 7

Answer - 9 : -


Question - 10 : -
5x + 2y = 3
3x + 2y = 5

Answer - 10 : -


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