Find the roots of equation
4a=81÷a
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Answer:
4a = 81/a
4a^2 = 81
4a^2 - 81 = 0
(2a + 9)(2a - 9) = 0
when 2a + 9 = 0,
a = -9/2
when 2a - 9 = 0,
a = 9/2
therefore, a = -9/2 or 9/2
Answered by
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Answer:
a= 4.5,-4.5 please mark as brainlist answer
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