Question

31. The sum of zeroes of px - x + 1 = 0 is - 2, then find 'p'​

Answer 1

Answer:

we know that sum of zeroes is equl to

- B/a

( - coefficient of x/ coefficient of x²)

-b/a = -2

-(-x)/P = -2

x/p= -2

p = x/-2

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Answer 2

Answer:

p×(-2) - (-2) + 1= 31

-2p + 2 + 1 =31

-2p+3 =31

-2p = 28

-p = 28 ÷ 2

-p = 14

p = -14