Educational

If α and β Are the Zeros of the Quadratic Polynomial f(x) = x² − x − 4, Find the Value of (1/α + 1/β − αβ)

Value of an Expression Using Zeros of a Quadratic Polynomial Video Explanation Question If \( \alpha \) and \( \beta \) are the zeros of the quadratic polynomial \[ f(x) = x^2 – x – 4, \] find the value of \[ \frac{1}{\alpha} + \frac{1}{\beta} – \alpha\beta. \] Solution Step 1: Use Relations Between Zeros […]

If α and β Are the Zeros of the Quadratic Polynomial f(x) = x² − x − 4, Find the Value of (1/α + 1/β − αβ) Read More »

If α and β Are the Zeros of the Quadratic Polynomial p(y) = 5y² − 7y + 1, Find the Value of (1/α + 1/β)

Value of an Expression Using Zeros of a Quadratic Polynomial Video Explanation Question If \( \alpha \) and \( \beta \) are the zeros of the quadratic polynomial \[ p(y) = 5y^2 – 7y + 1, \] find the value of \[ \frac{1}{\alpha} + \frac{1}{\beta}. \] Solution Step 1: Use the Relationship Between Zeros and

If α and β Are the Zeros of the Quadratic Polynomial p(y) = 5y² − 7y + 1, Find the Value of (1/α + 1/β) Read More »

If α and β Are the Zeros of f(x) = x² − 5x + 4, Find the Value of 1/α + 1/β − 2αβ

Value of an Expression Using Zeros of a Quadratic Polynomial Video Explanation Question If \( \alpha \) and \( \beta \) are the zeros of the quadratic polynomial \[ f(x) = x^2 – 5x + 4, \] find the value of \[ \frac{1}{\alpha} + \frac{1}{\beta} – 2\alpha\beta. \] Solution Step 1: Find the Zeros of

If α and β Are the Zeros of f(x) = x² − 5x + 4, Find the Value of 1/α + 1/β − 2αβ Read More »

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are −3/(2√5) and −1/2 and Find Its Zeros by Factorisation

Quadratic Polynomial from Given Zeros Video Explanation Question Find a quadratic polynomial whose sum and product of the zeros are: \[ \text{Sum} = -\frac{3}{2\sqrt{5}}, \quad \text{Product} = -\frac{1}{2} \] Also, find the zeros of this polynomial by factorisation. Solution Step 1: Use the Standard Form If the sum of zeros is \(S\) and the product

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are −3/(2√5) and −1/2 and Find Its Zeros by Factorisation Read More »

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are −2√3 and −9 and Find Its Zeros by Factorisation

Quadratic Polynomial from Given Zeros Video Explanation Question Find a quadratic polynomial whose sum and product of the zeros are: \[ \text{Sum} = -2\sqrt{3}, \quad \text{Product} = -9 \] Also, find the zeros of this polynomial by factorisation. Solution Step 1: Use the Standard Form If the sum of zeros is \(S\) and the product

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are −2√3 and −9 and Find Its Zeros by Factorisation Read More »

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are 21/8 and 5/16 and Find Its Zeros by Factorisation

Quadratic Polynomial from Given Zeros Video Explanation Question Find a quadratic polynomial whose sum and product of the zeros are \[ \text{Sum} = \frac{21}{8}, \quad \text{Product} = \frac{5}{16} \] Also, find the zeros of this polynomial by factorisation. Solution Step 1: Write the General Form If the sum of zeros is \(S\) and the product

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are 21/8 and 5/16 and Find Its Zeros by Factorisation Read More »

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are −8/3 and 4/3 and Find Its Zeros by Factorisation

Quadratic Polynomial from Given Zeros Video Explanation Question Find a quadratic polynomial whose sum and product of the zeros are \[ \text{Sum} = -\frac{8}{3}, \quad \text{Product} = \frac{4}{3} \] Also, find the zeros of this polynomial by factorisation. Solution Step 1: Write the General Form of the Quadratic Polynomial If the sum of zeros is

Find a Quadratic Polynomial Whose Sum and Product of Zeros Are −8/3 and 4/3 and Find Its Zeros by Factorisation Read More »

Find the Zeros of q(y) = 7y² − (11/3)y − 2/3 and Verify the Relationship Between Zeros and Coefficients

Zeros of a Quadratic Polynomial Video Explanation Question Find the zeros of the quadratic polynomial \[ q(y) = 7y^2 – \frac{11}{3}y – \frac{2}{3} \] and verify the relationship between the zeros and their coefficients. Solution Step 1: Remove Fractions Multiply the polynomial by 3: \[ 3q(y) = 21y^2 – 11y – 2 \] Step 2:

Find the Zeros of q(y) = 7y² − (11/3)y − 2/3 and Verify the Relationship Between Zeros and Coefficients Read More »

Find the Zeros of p(y) = y² + (3√5/2)y − 5 and Verify the Relationship Between Zeros and Coefficients

Zeros of a Quadratic Polynomial Video Explanation Question Find the zeros of the quadratic polynomial \[ p(y) = y^2 + \frac{3\sqrt{5}}{2}y – 5 \] and verify the relationship between the zeros and their coefficients. Solution Step 1: Remove the Fraction Multiply the polynomial by 2: \[ 2y^2 + 3\sqrt{5}y – 10 \] Step 2: Factorise

Find the Zeros of p(y) = y² + (3√5/2)y − 5 and Verify the Relationship Between Zeros and Coefficients Read More »

Find the Zeros of f(v) = v² + 4√3v − 15 and Verify the Relationship Between Zeros and Coefficients

Zeros of a Quadratic Polynomial Video Explanation Question Find the zeros of the quadratic polynomial \[ f(v) = v^2 + 4\sqrt{3}v – 15 \] and verify the relationship between the zeros and their coefficients. Solution Step 1: Factorise the Polynomial Given: \[ f(v) = v^2 + 4\sqrt{3}v – 15 \] Product of the coefficient of

Find the Zeros of f(v) = v² + 4√3v − 15 and Verify the Relationship Between Zeros and Coefficients Read More »