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SUBHASH PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS -THREE MARKS QUESTIONS WITH ANSWERS
- x^(2) + x + 1/sqrt(2)=0
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- Solve: 2x^(2) + x+1=0
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- Solve x^(2) + 3x + 5=0
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- Solve x^(2)-x +2=0
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- x^(2) + x + 1/sqrt(2)=0
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- Solve sqrt(5)x^(2) + x + sqrt(5)=0
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- Find the square roots of the following: (i) -15-8i
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- Find the square roots of the following: (i) -8-6i
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- Find the square roots of the following: (i) i
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- Reduce (1/(1-4i) -2/(1+i))((3-4i)/(5+i)) to the standard form.
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- (i) If x-iy = sqrt((a-ib)/(c-id)) prove that (x^(2) + y^(2)) =(a^(2) +...
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- (ii) If x + iy =(a+ib)/(a-ib) prove that x^(2) + y^(2)=1
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- (iii) Find the modulus and argument of the complex numbers. (a) (1+i...
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- Convert the following in the polar form: (i) (1+7i)/(2-i)^(2) (ii)...
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- If a+ib =(x+i)^(2)/(2x^(2)+1), prove that a^(2) + b^(2) =(x^(2)+1)^(2)...
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- Find real theta such that (3 + 2i sin theta)/(1-2i sin theta) is purel...
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- Convert the complex number z=(i-1)/(cos pi/3 + isinpi/3) in the polar ...
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- If ((1+i)/(1-i))^(2m)=1, then find the least integral value of m.
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- Solve each of the following equations. 1. Solve x^(2) +x+1=0
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- Solve sqrt(2) x^(2)+x+sqrt(2)=0
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