WebNCERT Solutions, Sample Papers, Notes, Videos. Install Now. If the sum of the zeroes of the quadratic polynomial 3x2 -kx+6 is 3, then find the value of k. Posted by Mahi Jain 2 years ago. CBSE > Class 10 > Mathematics. 1 answers. Abhijot Bedi 1 year, 12 months ago. Sum of zeroes =-b/a 3=k/3 K=3*3 K=9. 3Thank You. Web10 Oct 2024 · If the sum of the zeroes of the quadratic polynomial 3x2 -kx+6 is 3, then find the value of k. Advertisement Loved by our community 15 people found it helpful …
If the sum of the zeroes of the quadratic polynomial 3x2 …
WebOne of the roots of the equation x 2 + k x − 6 = 0 is 3, and k is a constant. Quantity A is greater. Quantity B is greater. The two quantities are equal. The relationship cannot be determined from the information given So, you were trying to be a good test taker and practice for the GRE with PowerPrep online. Web20 Mar 2024 · Given: The sum of zeros of quadratic polynomial is 3. To find: The value of k Solution: In a quadratic polynomial p (x) given by the expression : The sum of zeros = -b/a … iron gun sights
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WebAnswer (1 of 13): k=1. Let the roots be \alpha and 3\alpha. We are given the equation: 3x^2-4x+k=0 We know that for a equation ax^2+bx+c=0, Sum of the roots = -\dfrac{b}{a} and Product of the roots = \dfrac{c}{a}. So, we have: \alpha+3\alpha=4\alpha=\dfrac{4}{3} \Rightarrow \alpha=\dfra... WebSum If one root of the equation 3x 2 + kx + 81 = 0 (having real roots) is the square of the other then find k Advertisement Remove all ads Solution Let α and α 2 be the root of the equation 3x 2 + kx + 81 Here a = 3, b = k, c = 81 α + α 2 = k - k 3 3α + 3α 2 = – k ... (1) Product of the roots = c a c a = 81 3 = 27 α × α 2 = 27 α 3 = 27 ⇒ α 3 = 3 3 Web10 Oct 2024 · Given: The sum of zeroes of the quadratic polynomial 3 x 2 – k x + 6 is 3. To do: To find the value of k. Solution: Given polynomial: 3 x 2 – k x + 6 The sum of the zeroes of the polynomial 3 = − b a \Rightrarrow 3 = − − k 3 ⇒ 3 = k 3 ⇒ k = 9 Thus the value of k = 9. Tutorialspoint Simply Easy Learning 0 Followers Follow iron gummy bears