Math, asked by cutechocolate, 1 year ago

If alpha and beta are the zeroes of polynomial f(x) =x^2-p(2+1) -c,then (alpha +1)(Beta +1) = ?

Answers

Answered by Ujjwal2018
1
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Answered by nitthesh7
3
In p(x) = x² - p(2+1) - c

Sum of zeroes = α + β ⇒ -b/a

                         = -(-(p(2+1))/1)

                         = p(2+1)


Product of zeroes = αβ ⇒ c/a

                              = -c/1 
          
                              = -c

Then in (α+1)(β+1) ⇒ αβ + (α + β) +1

Substituting the values,

                               ⇒ -c + (p(2+1)) + 1

                               ⇒ -c + 2p + p + 1

                               ⇒ -c + 3p + 1

                               ⇒ 3p - c + 1


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