Math, asked by lokeshdhpt, 2 months ago

x2 - kx + 99 = 0, X=9 find the value of k

Answers

Answered by wwwkashish2617

45

Answer:

x² - kx + 99 = 0

= (9)² - 9k + 99 = 0

= 81 - 9k + 99 = 0

= 9k = 18

= k = 2

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