Asked/Added Questions From NCERT:

Question 1. Asked on :13 July 2019:04:06:42 PM

Find a quadratic polynomial whose sum of zero is 

14 and product of zero is -1.

-Added by Master Mind Science » Quadratic Polynomials


Master Mind

Given that: 

α + β = 14  and αβ = -1 

α + β = 14 = -ba ..........(i)

αβ = -1 or αβ = -44 = ca  ....... (ii) 

On comparing both equations we have,

a = 4, b = -1 and c = - 4 

using general quadratic polynomial 

ax2 + bx + c 

⇒ 4x2 + (-1)x + (-4) 

⇒ 4x2 - x - 4 Answer 

-Answered by Master Mind On 13 July 2019:04:50:14 PM


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