If one zero of (a²+1) x²- 26x+ (a+3) is the reciprocal of
the other, find the positive value of a
pls help me...it's urgent
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Let the one zero is a , then the other is 1/a .
So ,
l a * 1/a = (a + 3)/(a² + 1)
1 = (a + 3)/(a² + 1)
a² + 1 = a + 3
a² - a - 2 = 0
a² - 2a + a - 2 = 0
a(a - 2) + 1(a - 2) = 0
(a + 1) (a - 2) = 0
a = -1 not possible
a = 2 ✓ ✓
Then the zeroes are 2 & 1/2 .
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