Math, asked by rr8880705, 7 months ago

if 4/a=a^2/16, then check whether is a rational or irrational number​

Answers

Answered by Anonymous
45

Answer:

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 \frac{4}{a}  =  \frac{ {a}^{2} }{16} \\  \\ by \: cross \: multiplication \:  \\  \\ 4 \times 16 =  {a}^{2}   \times a \\  \\ 4 \times 4 \times 4 = a \:  \times a \times a \\  \\ a \:  = 4 \\  \\ it \: is \: rational \: number

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