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ICS Computer Science Class 11 | Important Long Question of Chapter 3 | Lecture 45 | FCS/ICS Part 1
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1 year ago
ICS Computer Science Class 11 | Important Long Question of Chapter 3 | Lecture 45 | FCS/ICS Part 1
![Prove that |[b^2 + c^2, a^2, a^2],[b^2, c^2 + a^2, b^2],[c^2, c^2, a^2 + b^2]| = 4a^2 b^2 c^2](http://i.ytimg.com/vi/IG15iLK0PtI/mqdefault.jpg "Prove that |[b^2 + c^2, a^2, a^2],[b^2, c^2 + a^2, b^2],[c^2, c^2, a^2 + b^2]| = 4a^2 b^2 c^2")
![Prove that |[a, a, ax + by],[b, c, bx + cy],[ax + by, bx + cy, 0]| = (b^2 - ac)(ax^2 + 2bxy + cy^2)](http://i.ytimg.com/vi/AbxjYbwz220/mqdefault.jpg "Prove that |[a, a, ax + by],[b, c, bx + cy],[ax + by, bx + cy, 0]| = (b^2 - ac)(ax^2 + 2bxy + cy^2)")
![Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3](http://i.ytimg.com/vi/F6Kll3fQIB0/mqdefault.jpg "Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3")
