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गुणनखण्ड विधि से समीकरण को हल करें - `x^(2)-4x+13=0` |
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Answer» दिया है : ` x^(2)-4x+13=0` `implies x^(2)-4x+4+9=0` `implies (x-2)^(2)+9=0` `implies (x-2)^(2)-9i^(2)=0` `implies (x-2)^(2)-(3i)^(2) ` `implies (x-2-3i)(x-2+3i)=0` `x-2-3i=0 implies x=2 +3i` तथा ` x-2+3i=0 implies x=2-3i` |
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