Find L x- 0lim8x-4x-2x-1-2-1-cos x- L

Putting x=0 , #160; x→ 0lim8^x 4^x 2^x+1/√(2) √(1)+cos x= 8^0 4^0 2^0+1√(2) 1+1=1 1 1+1√(2)=0=L #160; ...

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Functions

Find L x→ 0l...

Question

Find L
$l i m x \to 0 \frac{8^{x} - 4^{x} - 2^{x} + 1}{\sqrt{2} - \sqrt{1} + cos x} = L$

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