Advertisements
Advertisements
प्रश्न
(3x - 5)(2x + 7) = 0
Advertisements
उत्तर
(3x - 5)(2x + 7) = 0
2x + 7 = 0 or 3x - 5 = 0
x = `-(7)/(2) or x = (5)/(3)`
Hence x = `(5)/(3) and x = - (7)/(2)` are two roots of the equation.
संबंधित प्रश्न
Find the values of k for which the roots are real and equal in each of the following equation:
(3k+1)x2 + 2(k + 1)x + k = 0
Find the positive value(s) of k for which quadratic equations x2 + kx + 64 = 0 and x2 – 8x + k = 0 both will have real roots ?
Write the discriminant of the quadratic equation (x + 5)2 = 2 (5x − 3).
Find the value(s) of p for which the quadratic equation (2p + 1)x2 – (7p + 2)x + (7p – 3) = 0 has equal roots. Also find these roots.
Choose the correct answer from the given four options :
If the equation 3x² – kx + 2k =0 roots, then the the value(s) of k is (are)
The roots of the quadratic equation `1/("a" + "b" + "x") = 1/"a" + 1/"b" + 1/"x"`, a + b ≠ 0 is:
Every quadratic equation has at least two roots.
Solve the quadratic equation: `x^2 + 2sqrt(2)x - 6` = 0 for x.
The value of 'a' for which the sum of the squares of the roots of 2x2 – 2(a – 2)x – a – 1 = 0 is least is ______.
If 4 is a root of equation x2 + kx – 4 = 0; the value of k is ______.
