MCQ1 markYear: 2024MediumCBSE Class 10
polynomialszeroessum-product-relation
Question
If α and β are the zeroes of the polynomial p(x)=kx2−30x+45k and α+β=αβ, then the value of k is:
Solution
1
α+β=k30, αβ=k45k=45. Given α+β=αβ⇒k30=45⇒k=32
+1 mark