Answer
Step by step text solution for Evaluate the determinant : |[2,4],[-5,-1]| by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.
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PSEB-DETERMINANTS-Exercise
- Evaluate the determinant : |[2,4],[-5,-1]|
01:26
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- Evaluate the determinant: |[costheta,-sintheta],[sintheta,costheta]|
01:56
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- Evaluate the determinant : |[x^2-x+1,x+1],[x+1,x+1]|
03:16
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- If A = [[1,2],[4,2]], then show that |2A| = 4|A|
03:51
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- If A = [[1,0,1],[0,1,2],[0,0,4]] then show that |3A| = 27|A|
05:55
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- Evaluate the determinant : |[3,-1,-2],[0,0,-1],[3,-5,0]|
03:26
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- Evaluate the determinant : |[3,-4,5],[1,1,-2],[2,3,1]|
03:21
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- Evaluate the determinant : |[0,1,2],[-1,0,-3],[-2,3,0]|
02:50
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- Evaluate the determinant : |[2,-1,-2],[0,2,-1],[3,-5,0]|
03:20
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- If A = [[1,1,-2],[2,1,-3],[5,4,-9]], find |A|
04:43
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- Find values of x, if : |[2,4],[5,1]| = |[2x,4],[6,x]|
02:29
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- Find values of x, if : |[2,3],[4,5]| = |[x,3],[2x,5]|
01:53
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- If |[x,2],[18,x]| = |[6,2],[18,6]|, then x is equal to:
02:54
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- Using the property of determinants and without expanding , prove that:...
02:14
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- Using the property of determinants and without expanding , prove that:...
02:55
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- Using the property of determinants and without expanding , prove that:...
02:12
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- Using the property of determinants and without expanding , prove that:...
05:07
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- Using the property of determinants and without expanding , prove that:...
04:37
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- Using the property of determinants and without expanding , prove that:...
03:22
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- Prove that: |[-a^2, ab,ac],[ba,-b^2,bc],[ca,cb,-c^2]|=4a^2b^2c^2
03:30
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