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

If α and β are zeros of x2-x-2, find a polynomial whose zero are (2α+1) and (2β+1)

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-Added by Shruti Srivastva Mathematics » Polynomial

Answer:

 x2-4x-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 ax2+bx-c, a≠0 are additive inverse of each other then what is the value of b?

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-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 3x2+2kx+x-k-5 has the sum of zeroes as half of their of product.

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-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___________.

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-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 x4+2x3+8x2+12x+18 is divided by (x2+5), remainder comes out to be (px+q), find values of k.

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-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:

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-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 y2+2y-15 and y3+a, find the value of k and a.

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-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 x3-3x2+6x-15, so that it is completely divisible by x-3?

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-Added by Shruti Srivastva Mathematics » Polynomial

Answer:

 On dividing x3-3x2+6x-15 by x-3, remainder is +3, hence -3 must be added to x3-3x2+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 

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-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 x2-8x+k is 40, find the value of k.

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-Added by Shruti Srivastva Mathematics » Polynomial

Answer:

 12.

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


 

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