Question

If a minus 1 by a is equal to 3 find the value of a minus 1 by a whole square

Answer 1

Answer:

$( \frac{a - 1}{a} ) {}^{2} = 3$

Step-by-step explanation:

$\\ \frac{a - 1}{a} = 3 \\ a - 1 = 3a \\ 2a = - 1 \\ a = \frac{ - 1}{2}$

$\\ ( \frac{a - 1}{a} ) {}^{2} = \frac{ \frac{ - 1}{2} - 1 }{ \frac{ - 1}{2} } \\ \:\:\:= \frac{ \frac{ - 3}{2} }{ \frac{ - 1}{2} }$

$\:\:\:= \frac{ - 3}{ - 1} = 3$

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Hope it helps....!

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Answer 2

Answer:

also want same answer. thankuuuu