मराठी

If the Sum of the Zeros of the Quadratic Polynomial `Kx^2-3x + 5` is 1 Write the Value of K.. - Mathematics

Advertisements
Advertisements

प्रश्न

If the sum of the zeros of the quadratic polynomial `kx^2-3x + 5` is 1 write the value of k.. 

 

 

Advertisements

उत्तर

By using the relationship between the zeroes of the quadratic polynomial.
We have 

Product of zeroes=`("Constant term")/("Coefficient of "x^2)` 

`⇒ =k/1` 

`⇒ k=3` 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Polynomials - Exercises 3

APPEARS IN

संबंधित प्रश्‍न

The graphs of y = p(x) are given in following figure, for some polynomials p(x). Find the number of zeroes of p(x), in the following.


Find the zeroes of the quadratic polynomial `f(x) = 5x^2 ˗ 4 ˗ 8x` and verify the relationship between the zeroes and coefficients of the given polynomial.


If -4 is a zero of the polynomial `x^2 – x – (2k + 2) is –4`, then find the value of k. 


Write the zeros of the polynomial `f(x) = x^2 – x – 6`. 

 


If 𝛼 and 𝛽 be the zeroes of the polynomial `2x^2 - 7x + k` write the value of (𝛼 + 𝛽 + 𝛼𝛽).


Find the sum of the zeros and the product of zeros of a quadratic polynomial, are `−1/2` and \ -3 respectively. Write the polynomial. 


Find the zeroes of the quadratic polynomial `f(x) = 6x^2 – 3.` 

 


If 𝛼, 𝛽 are the zeroes of the polynomial `f(x) = x^2 – 5x + k` such that 𝛼 - 𝛽 = 1, find the value  of k = ? 


If the zeroes of the quadratic polynomial x2 + (a + 1) x + b are 2 and –3, then ______.


The number of polynomials having zeroes as -2 and 5 is ______.


10. The zeroes of the quadratic polynomial x² + kx + k, k? 0.


The zeroes of the quadratic polynomial x² + 1750x + 175000 are ______.


A polynomial of degree n has ______.


If the zeroes of the quadratic polynomial ax2 + bx + c, c ≠ 0 are equal, then ______.


The zeroes of the polynomial 3x2 + 11x – 4 are ______.


The graph of y = f(x) is shown in the figure for some polynomial f(x). The number of zeroes of f(x) are ______.


The given linear polynomial y = f(x) has


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×