Q) Find the value of ‘p’ for which the quadratic equation px (x – 2) + 6 = 0 has two equal roots. Ans: Given quadratic equation is: px (x – 2) + 6 = 0 or we can rewrite it as, px2 – 2p x + 6 = 0 In this equation, we can […]
quadratic
Q) Find the sum and product of the roots of the quadratic equation 2×2 – 9x + 4 = 0. Ans: We know that sum of roots (α + β) = Sum of roots = = Next, we know that the product of the roots (α x β) = Product of the roots
Find the sum and product of the roots of the quadratic equation 2x^2 – 9 x + 4 = 0. Read More »
Q) If one zero of the polynomial p(x) = 6×2 + 37 x – (k-2) is reciprocal of the other, then find the value of k. Ans: Let’s consider the one zero of the given polynomial be , then other zero will be . We know that Product of the zeroes (α x β) =
Q)Jaya scored 40 marks in a test getting 3 marks for each correct answer and losing 1 mark for each incorrect answer., Had 4 marks being awarded for each correct answer and 2 marks were deducted for each incorrect answer then Jaya again would have scored 40 marks. How many questions were there in the
Q) Half of the difference between two numbers is 2. The sum of the greater and twice the smaller number is 13. Find the numbers. Ans: Step 1: Let the numbers be x and y. Here, x is the greater number and y is the smaller number. Step 2: by 1st condition, we get: ½ (x-