30 points
Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Mathematics (MA)
Please explain questions 38,3940,41,42,43,44 and provide correct options also
1.38. Let A e an m * n matris. A matris of onder n N m is said to be a generalized inverse (or g-inverse) ofA if ) ABA B (ii) AB = O (i)A is singular tt 1, As ton (H)1A is fos sitıgulat bt i, A is (ii) both 1, - A anud 1 A at sihgul singulat (i) BAH a A (iv) ABA A singular 1.39. LetA be an m Xnmatrix. Theng-inverse (iv) both - A and A ar c of A is singular. (ii) finitely many (iv) none of these (i) unique ). A square tmatrix is a diagonal matii and only it it 1s 0 upper triangular (i) lower triangular (ii) infinitely many |40. LetA be an m xn matrix. Then g-inverse of A is unique if (i) m=n (ii) m PFA. see attached see attached
2 Answer(s)
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Piyush pachauri
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Deepak singh 1
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Deepak singh 1
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Deepak singh 1 Best Answer
rest question i have send above.. see attached