and are the roots of the quadratic equation.
then quadratic equation, whose roots are and is:
I tried finding the sum and product of roots and placing in the equation but I was not able to solve for it.
Beginner2022-03-31Added 12 answers
By the formula for a finite geometric series,
For the product , note that
Taking as for example, and you can do the same for . Then you can use the product-to-sum formula
by expanding the brackets, there are nine terms in this form.
Beginner2022-04-01Added 18 answers
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