If A=[α011] and B=[1031], Then the value of α for which A2=B is
1
-1
i
no real values of α
A=[α011],A2=[α011][α011],=[α20α+11],B=[1031] If A2=Bi)α2=1⇒α=±1ii)α+1=3⇒α=2 There is no real value of α which satisfies both equations simultaneously.
Find X and Y if (i)X+Y=[7025] and X−Y=[30−15]
(ii)2X+3Y=[2340]and3X+2Y=[2−2−15]