Question

15.
Evaluate (104)3 using suitable identity.​

Answer 1

Answer:

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Answer 2

$\huge\fbox\red {˙❥answer}$

${\mathcal {(a+b)³ = a³+ b³ + 3ab(a+b)}}$

${\mathcal {(104)³ = (100 + 4)³}}$

${\mathcal {= (100)³ + (4)³b+ 3 × 100 × 4(100 + 4)}}$

${\mathcal {= 1000000 + 64 + 1200 × 104}}$

${\mathcal {= 1000000 + 64 + 124800}}$

${\mathcal {= 1124864}}$