plz guys ans plz plz
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sorry but it is not clearly visible
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a²+5a-21/a³
Since a in numerator and in denominator both are same so lets subtract it
It is a rule of indices
a²¯³+5a-21
a¯¹+5a-21
1/a+5a-21
Since a in numerator and in denominator both are same so lets subtract it
It is a rule of indices
a²¯³+5a-21
a¯¹+5a-21
1/a+5a-21
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