Question

For the given linear transformation T : R - R determine if (i) T is one-to-one, if not give an

example of two distinct vectors ui, u2 € R such that T(ui) = T(u2); (ii) T is onto, if not give an example of a vector v E R

Г2а2 — т1 Ti — 2л2 5лр — За1 | 2x1 - 7x2 Зд2 + 213 — г1 | 4а1 — 12г2 — 83| (а) Т (b) Т 4тз — т2 (с) Т Тз — З71 Хз Хз

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Answer #1

@ T:1R² _ > R3 given by, ry - 2x27 582-324 [289 - 7x2 (193) B . Lets [3] e kept (kept means in a Then o(l])-13). OYOT T meanso + Rank of T = 2. my Rank of T=2. But Dim IR3 = 3. So, T is not onto. het is consider / If possible led [ile Range (T). tum1.2x2-24 20 0 439- 0 - 0 23-3x = 0. 0 2012 - 2420 3y = 232. : from we get x₂ -3.282 = 0 7 23 - CX29 solving ② & ④ , we get, x5 TIR3 IR2 is given by, ram + 2 X3 - 24 7 484 - 12812-883 then TIESI 34 + 2Hz - 24 = 0 404-123-823=0,- 0 ☺from ©, 24 - 349 - 2X320. > 302 + 2x3-2420 which is to equation 0. equal put x2=c, xead non zero in 6 cod are real numbers. Tthe equation, Let us consider » BC, +26= 0 WS nus, & y = 0 31137 are linearly indeperderet. Then Dimension of kept =2. Thus B

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