Question

If a+ 1/a +2=0, then the value of a^15-1/a^100 is​

Answer 1

Answer:

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Answer 2

Answer:

$\frac{a + 1}{a + 2} = 0$

$a + 1 = 0$

$a = - 1$

$then$

$\frac{ {a}^{15} - 1}{ {a}^{100} }$

$putting \: the \: value \: of \: a \: in \: above \: equation$

$\frac{ { (- 1)}^{15} - 1 }{ { ( - 1)}^{100} }$

$\frac{ - 1 - 1}{ 1}$

$- 2$

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