हिंदी

Write the roots of following quadratic equation. (p – 5) (p + 3) = 0 - Algebra

Advertisements
Advertisements

प्रश्न

Write the roots of following quadratic equation.

(p – 5) (p + 3) = 0

योग

उत्तर

(p – 5) (p + 3) = 0

∴ p – 5 = 0 or p + 3 = 0

∴ p = 5 or p = – 3

∴ The roots of the given equation are 5 and – 3.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Quadratic Equations - Q.1 (B)

संबंधित प्रश्न

If the roots of 2x2 - 6x + k = 0 are real and equal, find k.


Solve : 7y = -3y2 - 4 


If α and β are the roots of the quadratice equation x²- 2x - 7= 0, find the
value α² + β²


Form the quadratic equation if the roots are 3 and 8.


Solve the quadratic equation : 3x4 - 13x2 +10 = 0.


Choose the correct alternative answer for the following sub-questions and write the correct alphabet.

Which of the following quadratic equation has roots – 3 and – 5?


If one of the roots of quadratic equation x2 + kx + 54 = 0 is – 6, then complete the following activity to find the value of ‘k’.

Activity: One of the roots of the quadratic equation x2 + kx + 54 = 0 is – 6.

Therefore let’s take x = ______

(– 6)2 + k(– 6) + 54 = 0

(______) – 6k + 54 = 0

– 6k + ______ = 0

k = ______


If one of the roots of quadratic equation x2 – kx – 15 = 0 is – 3, then find the value of ‘k’


If the roots of the given quadratic equation are real and equal, then find the value of ‘k’

kx(x – 2) + 6 = 0


Form a quadratic equation if the roots of the quadratic equation are `2 + sqrt(7)` and `2 - sqrt(7)`


Sum of the roots of the quadratic equation is 5 and sum of their cubes is 35, then find the quadratic equation


Determine whether 2 is a root of quadratic equation 2m2 – 5m = 0.


Solve the following quadratic equation using formula:

x2 + 10x + 2 = 0


If the roots of the quadratic equation x2 + 12x + a = 0 are real and equal, then find the value of a.


The value of the discriminant of the equation x2 + 6x – 15 = 0 is ______.


Show that (x + 1) is a factor of the polynomial `x^3 - x^2 - (2 + sqrt(2))x + sqrt(2)`.


Is (x – 5) a factor of the polynomial x3 – 5x – 30?


Find the roots of the quadratic equation `x^2 - (sqrt(3) + 1)x + sqrt(3)` = 0.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×