Question

10. If one zero of polynomial x2 - 4x + lis 2 + 13, then other zero will be (a) –2+ 13 (b)- 13-2 (c)2-13 (d) 13+1​

Answer 1

Answer:Given: (2 + √3) is one of zero of polynomial x2 ‒ 4x + 1. To find: Other zero Since given polynomial is a quadratic so it has only two zeros. Let other zero be x. Now, Sum of zeros = -(coefficient of x)/(coefficient of x^2) x + (2 + √3) = -(-4/1) = 4 x + 2 + √3 = 4 or x = 2 – √3 Hence, the other zero is (2 -√3).Read more on Sarthaks.com - https://www.sarthaks.com/695542/if-one-zero-of-the-polynomial-x-2-4x-1-is-2-3-write-the-other-zero

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