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Solve each of the following equatins : ...

Solve each of the following equatins :
`4x^(2)-4ax+(a^(2)+b^(2))=0`

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To solve the quadratic equation \(4x^2 - 4ax + (a^2 + b^2) = 0\), we will use the quadratic formula: \[ x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} \] ### Step 1: Identify the coefficients In the given quadratic equation, we can identify the coefficients as follows: - \(A = 4\) (coefficient of \(x^2\)) - \(B = -4a\) (coefficient of \(x\)) - \(C = a^2 + b^2\) (constant term) ### Step 2: Substitute the coefficients into the quadratic formula Now, we substitute \(A\), \(B\), and \(C\) into the quadratic formula: \[ x = \frac{-(-4a) \pm \sqrt{(-4a)^2 - 4 \cdot 4 \cdot (a^2 + b^2)}}{2 \cdot 4} \] ### Step 3: Simplify the expression First, simplify the expression for \(x\): \[ x = \frac{4a \pm \sqrt{16a^2 - 16(a^2 + b^2)}}{8} \] Now, simplify the expression under the square root: \[ 16a^2 - 16(a^2 + b^2) = 16a^2 - 16a^2 - 16b^2 = -16b^2 \] So, we have: \[ x = \frac{4a \pm \sqrt{-16b^2}}{8} \] ### Step 4: Simplify the square root The square root of \(-16b^2\) can be simplified: \[ \sqrt{-16b^2} = \sqrt{16} \cdot \sqrt{-1} \cdot |b| = 4b i \] ### Step 5: Substitute back into the equation Now substitute this back into the equation for \(x\): \[ x = \frac{4a \pm 4bi}{8} \] ### Step 6: Simplify the fraction Now we can simplify the fraction: \[ x = \frac{4a}{8} \pm \frac{4bi}{8} = \frac{a}{2} \pm \frac{bi}{2} \] ### Final Answer Thus, the solutions for the equation \(4x^2 - 4ax + (a^2 + b^2) = 0\) are: \[ x = \frac{a + bi}{2} \quad \text{and} \quad x = \frac{a - bi}{2} \]
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NAGEEN PRAKASHAN ENGLISH-QUADRATIC EQUATIONS-Exercise 4a
  1. Solve each of the following equatins : x=(3x+1)/(4x)

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  2. Solve each of the following equatins : x+(1)/(x)=2.5

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  3. Solve each of the following equatins : 5x-(35)/(x)=18,xne0

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  4. Solve each of the following equatins : (2)/x^(2)-(5)/(x)+2=0,xne0

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  5. Solve each of the following equations : a^(2)x^(2)+2ax+1=0

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  6. Solve each of the following equatins : x^(2)-(p+q)x+pq=0

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  7. Solve each of the following equatins : a^(2)x^(2)+(a^(2)+b^(2))x+b^(...

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  8. 5. Solve 12abx^2-9a^2x +8b^2x-6ab =0

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  9. Solve each of the following equatins : 4x^(2)-4ax+(a^(2)+b^(2))=0

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  10. Solve each of the following equatins : (x+1)/(x-1)=(3x-7)/(2x-3)

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  11. Solve each of the following equatins : (5)/(2x+1)+(6)/(x+1)=3

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  12. Solve each of the following equatins : (x+3)/(x-2)-(1-x)/(x)=4(1)/(4...

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  13. Solve the following equations : 2((x)/(x+1))^(2)-5((x)/(x+1))+2=0\ xne...

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  14. Solve sqrt((x)/(1-x))+sqrt((1-x)/(x))=(13)/(6)

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  15. Solve each of the following equatins : ((2x-3)/(x-1))-4((x-1)/(2x-3)...

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  16. Solve each of the following equatins : 2^(2x+3)-57=65(2^(x)-1)

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  17. Solve each of the following equatins : 2^(2x)-3xx2^(x+2)+32=0

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  18. Solve each of the following equatins : x^(2//3)+x^(1//3)-2=0

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  19. Solve for x: a/(ax-1)+b/(bx-1)=a+b; x!= 1/a, 1/b

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  20. Solve the following quadratic equations by factorization method: 1/...

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