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Addition of Polynomials

What is ax2...

Question

What is $a^{x^{2} - 27 a^{2}}$ at $x = 3 a \sqrt{3}$ ?

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Solution

At $x = 3 a \sqrt{3} \Rightarrow x^{2} = 3^{2} . a^{2} .3 = 27 a^{2}$

$a^{27 a^{2} - 27 a^{2}} = a^{0} = 1$

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