Question

can somebody plz explain this question​

Answer 1

Answer:

0

Step-by-step explanation:

$\implies$ $\sf{ \left({\Large\frac{a^m} { a^{-n}}} \right) ^{m-n}}$ × $\sf{\left({\Large\frac{a^n}{a^{-l}}} \right) ^{n-l} }$ × $\sf {\left({\Large\frac{a^l}{a^{-m}}}\right)^{l-m} }$

$\implies$ $\sf{a^{(m+n)(m-n)} × a^{(n+l)(n-l)} × a^{(l+m)(l-m)} }$

$\implies$ $\sf{a^{m^2 - n^2} × a^ {n^2 - l^2} × a^ {l^2 - m^2} }$

$\implies$ $\sf{ a^{m^2-m^2+n^2-n^2-l^2+l^2}}$

$\implies$ $\sf{a^0 }$

$\therefore$ $\boxed{\sf{0 }}$

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