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Janusz
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Wendy Ye
If a be a positive integer & if a is even, a² is even. If a is odd, a² is odd.
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2 weeks ago
If a be a positive integer & if a is even, a² is even. If a is odd, a² is odd.
22 views
2 weeks ago
If a be a positive integer & if a is even, a² is even. If a is odd, a² is odd.
![If A= [[1,2,3],[2,0,-2],], B= [[1,1,-1],[2,0,3],[3,-1,2]] and C= [[1,3],[0,2],[-1,4]], find A(BC).](http://i.ytimg.com/vi/bbPuR3re7PI/mqdefault.jpg "If A= [[1,2,3],[2,0,-2],], B= [[1,1,-1],[2,0,3],[3,-1,2]] and C= [[1,3],[0,2],[-1,4]], find A(BC).")
![Find the value of a, if [[a-b,2a+c],[2a+b,3c+d]] = [[-1,5],[0,13]]](http://i.ytimg.com/vi/jeCnaP3haUk/mqdefault.jpg "Find the value of a, if [[a-b,2a+c],[2a+b,3c+d]] = [[-1,5],[0,13]]")
![If A = [[α,β],γ,-α]] is such that A^2 = I, then(a) 1 + α^2 + βγ = 0(b) 1 - α^2 + βγ = 0(c) 1 - α^2 -](http://i.ytimg.com/vi/_snX3zLlb_A/mqdefault.jpg "If A = [[α,β],γ,-α]] is such that A^2 = I, then(a) 1 + α^2 + βγ = 0(b) 1 - α^2 + βγ = 0(c) 1 - α^2 -")
![If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).](http://i.ytimg.com/vi/0DhveErBAHA/mqdefault.jpg "If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).")
