x^{2}-4x-5

*- Answered by Shruti Srivastva * On 20 May 2022:04:31:01 PM

**Question 1.** **Asked on :**20 May 2022:04:28:39 PM

If α and β are zeros of x^{2}-x-2, find a polynomial whose zero are (2α+1) and (2β+1)

*-Added by Shruti Srivastva * **Mathematics** » **Polynomial**

**Answer:**

x^{2}-4x-5

*- Answered by Shruti Srivastva * On 20 May 2022:04:31:01 PM

**Question 2.** **Asked on :**20 May 2022:04:25:30 PM

If zeros of the polynomial ax^{2}+bx-c, a≠0 are additive inverse of each other then what is the value of b?

*-Added by Shruti Srivastva * **Mathematics** » **Polynomial**

**Answer:**

B=0.

*- Answered by Manisha Kumari* On 20 May 2022:04:28:45 PM

**Question 3.** **Asked on :**20 May 2022:04:23:02 PM

Find the value of k such that 3x^{2}+2kx+x-k-5 has the sum of zeroes as half of their of product.

*-Added by Shruti Srivastva * **Mathematics** » **Polynomial**

**Answer:**

1.

*- Answered by Manisha Kumari* On 20 May 2022:04:29:59 PM

**Question 4.** **Asked on :**20 May 2022:04:19:15 PM

In a chemical reaction, the sum of the masses of the reactant and product remain uncharged. this is called___________.

*-Added by Manisha Kumari* **Science** » **Atom And Molecules**

**Answer:**

Low of conservation of mass

*- Answered by Manisha Kumari* On 20 May 2022:04:24:28 PM

**Question 5.** **Asked on :**20 May 2022:04:16:17 PM

If x^{4}+2x^{3}+8x^{2}+12x+18 is divided by (x^{2}+5), remainder comes out to be (*px+q*), find values of k.

*-Added by Shruti Srivastva * **Mathematics** » **Polynomial**

**Answer:**

P=2 , Q=3.

*- Answered by Manisha Kumari* On 20 May 2022:04:25:48 PM

**Question 6.** **Asked on :**20 May 2022:04:16:03 PM

The chemical symbol for sodium is:

*-Added by Manisha Kumari* **Science** » **Atom And Molecules**

**Answer:**

Na

*- Answered by Manisha Kumari* On 20 May 2022:04:18:23 PM

**Question 7.** **Asked on :**20 May 2022:04:11:05 PM

If (k+y) is a factor of each of the polynomial y^{2}+2y-15 and y^{3}+a, find the value of k and a.

*-Added by Shruti Srivastva * **Mathematics** » **Polynomial**

**Answer:**

k=-3, 5 and a = -27, 125

*- Answered by Shruti Srivastva * On 20 May 2022:04:13:30 PM

**Question 8.** **Asked on :**20 May 2022:04:07:04 PM

What should be added to the polynomial x^{3}-3x^{2}+6x-15, so that it is completely divisible by x-3?

*-Added by Shruti Srivastva * **Mathematics** » **Polynomial**

**Answer:**

On dividing x^{3}-3x^{2}+6x-15 by x-3, remainder is +3, hence -3 must be added to x^{3}-3x^{2}+6x-15.

*- Answered by Shruti Srivastva * On 20 May 2022:04:09:30 PM

**Question 9.** **Asked on :**20 May 2022:04:03:16 PM

The chemical symbol for nitrogen gas is

*-Added by Manisha Kumari* **Science** » **Atom And Molecules**

**Answer:**

The chemical symbol for nitrogen gas is N

*- Answered by Shruti Srivastva * On 20 May 2022:04:14:31 PM

**Question 10.** **Asked on :**20 May 2022:04:05:19 PM

If the sum of squares of zeros of the polynomial x^{2}-8x+k is 40, find the value of k.

*-Added by Shruti Srivastva * **Mathematics** » **Polynomial**

**Answer:**

12.

*- Answered by Manisha Kumari* On 20 May 2022:04:08:14 PM

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