Question

Pls solve this guys....
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Answer 1

Answer:

$easy \: peasy \: just \: do \: { \frac{15}{13} }^{2} - { \frac{21}{13} }^{2} that \: is \: { \frac{15 - 21}{13} }^{4} = - { \frac{ - 14}{13} }^{4}$

Step-by-step explanation:

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