How do you simplify #[y ^ { 6+ 9} \cdot y ^ { - 6- 4} ] ^ { - 3}#?

1 Answer
Manasvini Nittala
Oct 23, 2017

the answer is #y^-15#

Explanation:

on using basic exponential formulae we can write the given question as #y^(6+9)=y^15# and #y^(-6-4)=y^-10# the question transforms itself into #y^15.y^-10# we have an exponential formulae that goes as follows #a^m.a^n=a^(m+n)# #:. y^15.y^-10=y^(15-10)=y^5#

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