Question

) Quadratic equation whose roots are 1 and - 2 is ------- 1 point

Answer 1

Answer:

Step-by-step explanation:

WE KNOW THAT QUADRATIC EQUATION IS OF THE FORM

$x^{2} -SUMx + PRODUCT$= 0

i.e., SUM OF ROOTS = 1-2 = -1

AND PRODUCT OF ROOTS = 1*(-2)= -2

I.E., THE REQUIRED EQUATION IS

$x^{2} +x-2=0$

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