Question

Pago No
4 If a+ ß are the seroes of the poly
norials
y Cx) = 20
puc - 200 + 3P and D + B = AB find
e
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Answer 1

Here's Ur Answer Bud!

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x² + (a+1)x + b

2 and -3 are zeroes of the polynomial,

put x = 2

» 2² + (a+1)(2) + b = 0

» 4 + 2a+2 + b = 0

» 6 + 2a+b = 0

» 2a+b = -6 -----(1)

put x = -3,

» (-3)² + (a+1)(-3) + b = 0

» 9 - 3a-3 + b = 0

» 6 - 3a+b = 0

» -3a+b = -6 -----(2)

(1) - (2)

2a+b - (-3a+b) = -6-(-6)

2a+b+3a-b = -6+6

5a = 0

a = 0

________

2a + b = -6

2(0)+b = -6

b = -6

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