Question

2.The sum of two natural number is 9 and sum of their reciprocals Find the numbers.
3. Find the roots of the equation 4x2 - 4a2x + (a* - b) = 0
4.Using quadratic formula solve for x: 9x2 - 9(a + b)x + (2a + 5ab + 2b = 0
5. Find the values of k for which the quadratic equation 2x2 + kx + 3 = 0 has two real roots.
6.If -2 is a root of the equation 3x2 + 7x + p = 0 find the val; ue of k so that the roots of the equation x4 +
k(4x + k-1) + p = 0 are real and equal.
Period 2nd
4. Which of the following equations has the sum of its roots as 3?
a) 2x2 - 3x + 6 = 0 (B)-x2 + 3x - 3 = 0
v2 x2-3x + 1 = 0 (D) 3x2 - 3x + 3 = 0
he quadratic equation 2x2 - 5x + 1 = 0 has
wo distinct real roots (B) two equal real roots (C) no real roots (D) more than 2 real roots.
es of k for which the quadratic equation 2x4 - kx + k = 0 has equal roots is
only (B) 4 (C) 8 only (D) 0,8
4.X? + 1)2 - x2 = 0 has
al roots (B) two real roots (C) no real roots (D) one real root.
the reciprocal of Arun's age 3 years ago and five years from now is. Find his present age.
der is such that the product of its digit is 10. When 63 is subtracted from the number, the di
Be their places. Find the numbers.
(A) two distinct
3. Values of k for
(A) four real roots
5. The sum of the recipro
6 A two digit number is su
interchange their places. Find the​

Answer 1

Answer:

for 2nd one answer is 9

Step-by-step explanation:

I hope it helps u

Answer 2

Answer:

for the second one the answer is 9

Step-by-step explanation: