Solve the following by factorizatio...
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Solve the following by factorization. (0) 2x + 3ix + 2 = 0 (il) X- 7ix - 12 = 0

IIT/JEE
Maths
Solution
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( 2 x^{2}+3 i x+2=0 ) ( x Leftrightarrow x=+31 pm sqrt{(3 i)^{2}-4(2)(2) / 4} ) ( quad=-3 i pm sqrt{9 i^{2}-16} / 4 quad i=-1 ) ( quad=-3 i pm 5 i ) ( x^{2}+7 i n-12=0 ) ( x=-(-7 i) pm sqrt{(7 i)^{2}-4(1)(-12) / 2} ) ( =7 i pm sqrt{49 i^{2}+48 / 2} ) ( =frac{7 i pm 1}{2} )
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