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Find all the zeros of polynomial x to the power 4 - 7 x to the power 2 + 12 if two of its zeros are root 3 and minus root 3

Posted by Priyanshi Jat 6 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Anjali Sharma 6 years, 8 months ago

Sum of zeroes alpha + beta =root 3 +(-root 3)=0 Product of zeroes=-3 The polynomial formed is xsquare-(sum) x+ product The polynomial is: x square - 0x+(-3) Divide the given polynomial with this polynomial formed. It will divide the polynomial perfectly. The factorise the quotient we will get from this division and you will get other two zeroes

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CBSE > Class 10 > Mathematics