Question

decimal place
Find a quadratic polynomial whose zeroes root 15 and -root 15 please tell me ​

Answer 1

Answer:

hope it's help u

thanks for your question

Answer 2

$\large\underline\mathbf\red{ ANSWER \: :}$

$\longrightarrow$ Let,the quadratic polynomial be k(ax² + bx + c), where k≠0 and its zerors α and β.

NOW :

Sum of zeroes = α + β

= √15 + (-√15)

= √15 - √15

= 0

= -b/a

Product of zeroes = α × β

= √15 × -√15

= -15

= c/a

By this,we get a = 1, b = 0 and c = -15.

By comparing this value in k(ax² + bx + c),we get

$\large\boxed{x² - 15}$

$\longrightarrow{So \: , \: the \: quadratic \: polynomial \: is \: x² \: - \: 15 \: .}$