Obtain a quadratic equation whose roots are -3 and -7
haseebzarmina:
It was asked in our board exam.. Am I right?
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the quadratic equation is - x2 +10x +21=0
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Hi...
□given roots are -3 and -7..
▪sum of roots(S)=-3+(-7) => -10
▪product of zeroes(P -3×-7 => 21
□so, quadratic equation is in form of :-
▪x^2+Sx-P
▪x^2-10x+21
#THANKS
□given roots are -3 and -7..
▪sum of roots(S)=-3+(-7) => -10
▪product of zeroes(P -3×-7 => 21
□so, quadratic equation is in form of :-
▪x^2+Sx-P
▪x^2-10x+21
#THANKS
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