Question

slove the question
in Formula method
$- 4x ^{2} + 9x + 1 = 0$

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Answer 1

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GIVEN :-

- 4x² + 9x + 1 = 0

a = -4

b = 9

c = 1

D = x

TO FIND :-

"x"

SOLUTION :-

FORMULA IS :-

D = b² - 4ac

D = 9² - 4 × -4 × 1

D = 81 - 4 × -4 × 1

D = 97.

So,

x = 97.