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FIND A QUADRATIC POLYNOMIAL WITH ZEROS …

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FIND A QUADRATIC POLYNOMIAL WITH ZEROS 2 root 7 minus 2 root 7

Posted by Kanchan Gurjar 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Kannu Kranti Yadav 6 years, 11 months ago

Zeroes are 2√7 and -2√7 . So sum of zeroes is 2√7 +(-2√7) --> 2√7-2√7 = 0.. product of zeroes=> 2√7(-2√7) = -28 .. formula for quadratic polynomial is x²- ( sum of zeroes ) + product of zeroes. So polynomial is x²-(0)x+(-28) => x²-28.

2Thank You

Divya Garg 6 years, 11 months ago

Here, zeroes are 2√7 and -2√7 Sum of zeroes=2√7+(-2√7)= 2√7-2√7=0 Product of zeroes= 2√7(-2√7)=-28 New equation formed=xsquare -28

2Thank You

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