This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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Ili kutatua swali hili, tutatumia uhusiano kati ya eneo la kitu, eneo la picha, na determinant ya matrix ya mabadiliko.
Step 1: Tafuta determinant ya matrix ya mabadiliko. Matrix ya mabadiliko imetolewa kama . Determinant ya matrix ni . Kwa hiyo, determinant ya matrix hii ni:
Step 2: Tumia formula ya eneo la picha. Formula inayohusisha eneo la kitu na eneo la picha baada ya mabadiliko ni: Eneo la picha = Eneo la kitu Tunapewa kuwa eneo la kitu ni na eneo la picha ni . Kwa hiyo, tunaweza kuandika mlinganyo: Kwa kuwa eneo lazima liwe chanya (), tunaweza kugawanya pande zote mbili kwa : Hii inamaanisha tuna kesi mbili zinazowezekana: Kesi 1: Kesi 2:
Step 3: Tatua milinganyo ya quadratic kwa kila kesi. Kesi 1: Tunatumia formula ya quadratic : Hii inatoa thamani mbili za :
Kesi 2: Tunatumia formula ya quadratic: Kwa kuwa discriminant () ni namba hasi, hakuna suluhisho halisi (real solutions) kwa katika kesi hii.
Step 4: Chagua thamani halali ya . Kwa kuwa inawakilisha eneo, lazima iwe namba chanya. Kati ya suluhisho zilizopatikana kutoka Kesi 1, ni chanya na ni hasi. Kwa hiyo, thamani pekee inayowezekana ya ni .
Thamani inayowezekana ya ni .
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Ili kutatua swali hili, tutatumia uhusiano kati ya eneo la kitu, eneo la picha, na determinant ya matrix ya mabadiliko.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.