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Find zeroes of the given quadratic polyn...

Find zeroes of the given quadratic polynomials and verify the relation between zeroes and coefficients :
`6x^(2)+5ax-6a^(2)=0`

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To find the zeroes of the quadratic polynomial \(6x^2 + 5ax - 6a^2 = 0\) and verify the relation between the zeroes and coefficients, we can follow these steps: ### Step 1: Identify the coefficients The given quadratic polynomial is in the form \(ax^2 + bx + c = 0\). Here: - \(a = 6\) - \(b = 5a\) - \(c = -6a^2\) ### Step 2: Factor the polynomial We can rewrite the polynomial to factor it. We need to express \(5ax\) in a way that allows us to factor by grouping: \[ 6x^2 + 9ax - 4ax - 6a^2 = 0 \] Now, we can group the terms: \[ (6x^2 + 9ax) + (-4ax - 6a^2) = 0 \] Factoring out the common terms: \[ 3x(2x + 3a) - 2a(2x + 3a) = 0 \] Now, we can factor out \((2x + 3a)\): \[ (2x + 3a)(3x - 2a) = 0 \] ### Step 3: Solve for zeroes Setting each factor to zero gives us the zeroes: 1. \(2x + 3a = 0 \Rightarrow x = -\frac{3a}{2}\) 2. \(3x - 2a = 0 \Rightarrow x = \frac{2a}{3}\) Thus, the zeroes of the polynomial are: \[ x_1 = -\frac{3a}{2}, \quad x_2 = \frac{2a}{3} \] ### Step 4: Calculate the sum of the zeroes The sum of the zeroes \(x_1 + x_2\) is: \[ -\frac{3a}{2} + \frac{2a}{3} \] To add these fractions, we need a common denominator. The least common multiple of 2 and 3 is 6: \[ -\frac{3a}{2} = -\frac{9a}{6}, \quad \frac{2a}{3} = \frac{4a}{6} \] Thus, \[ x_1 + x_2 = -\frac{9a}{6} + \frac{4a}{6} = -\frac{5a}{6} \] ### Step 5: Calculate the product of the zeroes The product of the zeroes \(x_1 \cdot x_2\) is: \[ -\frac{3a}{2} \cdot \frac{2a}{3} = -\frac{3a \cdot 2a}{2 \cdot 3} = -a^2 \] ### Step 6: Verify the relations According to the relations for a quadratic polynomial: - The sum of the zeroes is given by \(-\frac{b}{a}\) - The product of the zeroes is given by \(\frac{c}{a}\) For our polynomial: - Sum of zeroes: \(-\frac{b}{a} = -\frac{5a}{6}\) - Product of zeroes: \(\frac{c}{a} = \frac{-6a^2}{6} = -a^2\) ### Conclusion We have found the zeroes: \[ x_1 = -\frac{3a}{2}, \quad x_2 = \frac{2a}{3} \] And verified the relations: - Sum of zeroes: \(-\frac{5a}{6}\) matches \(-\frac{b}{a}\) - Product of zeroes: \(-a^2\) matches \(\frac{c}{a}\)

To find the zeroes of the quadratic polynomial \(6x^2 + 5ax - 6a^2 = 0\) and verify the relation between the zeroes and coefficients, we can follow these steps: ### Step 1: Identify the coefficients The given quadratic polynomial is in the form \(ax^2 + bx + c = 0\). Here: - \(a = 6\) - \(b = 5a\) - \(c = -6a^2\) ...
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NAGEEN PRAKASHAN-POLYNOMIALS-Exercise 2a
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  2. From question number 1 to 16, find zeroes of the given quadratic polyn...

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  7. Find zeroes of the given quadratic polynomials and verify the relation...

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  8. From question number 1 to 16, find zeroes of the given quadratic polyn...

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  9. Find the quadratic polynomial, the sum of whose zeroes is 17 and the p...

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  11. If the product of zeroes of the polynomial 3x^(2)+5x+k is 6, find the ...

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  12. If the sum of zeroes of the polynomial x^(2)+2kx-12 is 1, find the val...

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  13. If x=(5)/(3) and x=-(1)/(2) are the zeroes of the polynomial ax^(2)-7x...

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  14. Find a quadratic polynomial, the sum of whose zeroes is (5)/(3) and pr...

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  15. Find a quadratic polynomial, the sum of whose zeroes is -(3)/(4) and p...

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  16. If alpha, beta be the zeros of the polynomial 2x^(2)+5x+k such that...

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  17. If alpha andbeta are zeroes of a polynomial f(x0=3x^(2)-4x+1, finda qu...

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  18. If alpha,beta are zeroes of the polynomial x^2-2x-15 , then form a qua...

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  19. If alpha and beta are zeroes of a quadratic polynomial ax^(2)+bx+c. Fi...

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