Find the cubes of the following numbers-i -13ii 315iii -517

( 13) ^ 3 = 2197 (3 1 5 ) ^ 3 = ( 16 5 ) ^ 3 =( 4096 125 ) ( 5 1 7 ) ^ 3 = ( 36 7 ) ^ 3 =( 46656 343 ) ...

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Byju's Answer

Standard VIII

Mathematics

Algebraic Identity (a+b)^3

Find the cube...

Question

Find the cubes of the following numbers:
(i) $- 13$
(ii) $3 \frac{1}{5}$
(iii) $- 5 \frac{1}{7}$

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Solution

${(- 13)}^{3} = - 2197 {(3 \frac{1}{5})}^{3} = {(\frac{16}{5})}^{3} = (\frac{4096}{125}) {(- 5 \frac{1}{7})}^{3} = {(\frac{- 36}{7})}^{3} = (\frac{- 46656}{343})$

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Find the cubes of the following numbers:(i) −13(ii) 315(iii) −517

(−13)3=−2197(315)3=(165)3=(4096125)(−517)3=(−367)3=(−46656343)

Find the cubes of the following numbers:
(i) $- 13$
(ii) $3 \frac{1}{5}$
(iii) $- 5 \frac{1}{7}$

${(- 13)}^{3} = - 2197 {(3 \frac{1}{5})}^{3} = {(\frac{16}{5})}^{3} = (\frac{4096}{125}) {(- 5 \frac{1}{7})}^{3} = {(\frac{- 36}{7})}^{3} = (\frac{- 46656}{343})$