find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. (v) t²-15
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(v) t² – 15
Factorize the equation,
t² – 15 = 0
Add 15 both side we get,
t² = 15
Take square root both side,
t= ± √15
First zero is √15
second zero is -√15
Sum of zero = √15 - √15 = 0
Product of zero = √15 x -√15 = -15
Compare the equation with at² + bt +c = 0
We get,
a = 1, b = 0, c = -15
Sum of zero, -b/a = -(0/1) = 0
Product of zero, c/a = -15/1 = -15
Hence, verified
Hope it helps u..... ◉‿◉
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