Question

(50-8)3
std 8th lesson 5 expansion formulae

Answer 1

Answer:

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Step-by-step explanation:

(50-8)3

=150-24

=126

Answer 2

Answer:

By using this formula-:[ a-b]³ = a³- 3a²b + 3ab²-b³

[50]³

[50+8]³

= (50)³ + 3 (50)²(8) + 3(50)(8)² + (8)³

= 1,25,000 + 3( 2500)(8) + 3(50)(64) + (512)

= 1,25,000 + 60,000 + 9,600 + 512

= 195,112

Step-by-step explanation:

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