Harshal posted an Question
July 26, 2020 • 15:55 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Ectton-(b) tviot wnicn two linear systems have exactly the same (unique) solution ? (a) 3x 4y = 2 x - 3y = 1 all of these (b) x+ 2y = 5 2x - 3y = - 4 5x + y = 7

ECTTON-(B) TVIOT Wnicn two linear systems have exactly the same (unique) solution ? (A) 3x 4y = 2 x - 3y = 1 All of these (B) X+ 2y = 5 2x - 3y = - 4 5x + y = 7 (C) (D) 6x 2y = 2

2 Answer(s) Answer Now
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  • Shashi ranjan sinha

    this is a simple Application of solving non homogeneous systems by considering augmented matrix

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    Deepak singh 1

    first method - since it is 2×2 matrix , u can easily find out it's inverse of all three matrix, find A^-1 B , and then check which have same solution. second method - check for span

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    Piyush pachauri best-answer

    PFA. Ans:A,C

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    Yes ,I noticed that.

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    it is msq type... and ans is given here is A & C

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    Yes , I am updating ,Give me a sec , I thought it was asking just for unique solution

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    Harshal , I have attached one more image .

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    Each solution is unique but Sol for A&C is same

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