Math, asked by geethab2530, 1 month ago

the root if tthe quadratic eq is 4x^2-81=0
please answer with explaination

Answers

Answered by navyapamerla

1

Answer:

9/2

Step-by-step explanation:

(2x)square=81

2x=√81

2x=+9or-9

2x=9

x=9/2

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