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Polynomials

Question

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Evaluate $cube root of left parenthesis 343 right parenthesis to the power of negative 2 end exponent end root space space$

Solution

cube root of left parenthesis 343 right parenthesis to the power of negative 2 end exponent end root space space

equals space left parenthesis 343 right parenthesis to the power of negative 2 over 3 end exponent equals space left parenthesis 7 cross times 7 cross times 7 right parenthesis to the power of 2 over 3 end exponent equals space left parenthesis 7 cubed right parenthesis to the power of negative 2 over 3 end exponent equals space 7 to the power of 3 x open parentheses negative 2 over 3 close parentheses end exponent equals 7 to the power of negative 2 end exponent equals 1 over 7 to the power of negative 2 end exponent equals space 1 over 49

Some More Questions From Polynomials Chapter

Find two rational numbers between 0.1 and 0.2.

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