If the zeroes of the polynomial p(x) = 2x² - 7x + k are reciprocal of each other, then the value of k is:
(a) 1
(b) 2
(c) 3
(d) -7
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Given that the zeroes are reciprocal of each other. Let the zeroes be : y, 1/y
Solution:
Product of zeroes = c/a
y x 1/y = k/2
1 = k/2
k= 2
Therefore,
Your answer is b)2.
Solution:
Product of zeroes = c/a
y x 1/y = k/2
1 = k/2
k= 2
Therefore,
Your answer is b)2.
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