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Sum and products of zeroes of quadratic polynomial are -1/4 & 1/2 respectively. Find the polynomial.

Posted by Joel Emil 6 years, 4 months ago

CBSE > Class 10 > Mathematics

2 answers

__Richa Tiwari 6 years, 4 months ago

Sum= -1/4 product= 1/2 use formula make quadratic polynomial formula is x² - (sum of zeroes)x +(product of zeroes) putting the value x²- (-1/4)x + (1/2) ans ayega x² + 1/4+1/2. Fir hum multiply krege 4 se jisse divide ki value chali jaye like 4x²+ 4× 1/4 + 4×1/2 to humare pss equation ayegi 4x²+ x +2 ye humara quadratic polynomial banega

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Nikhil Raj 6 years, 4 months ago

(a+b)=-1/4 (ab)=1/2 Putting the value of (a+b),(ab). P(x)=x2+( a +b)x-(ab) x2-1/4x-1/2 4x2-1x-2 hence the polynomial is 4x2-1x-2

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