Math, asked by yswapna91, 1 month ago

Find (403)³ using suitable property

Answers

Answered by CreativeAB

4

Your Solution:

(403)³

= (400 + 3)³

= (400)³ + (3)³ + 3(400)(3)(400 + 3)

= 6,40,00,000 + 27 + 3600(403)

= 6,40,00,027 + 1450800

= 6,54,50,827

So, (403)³ = 6,54,50,827

Identity (a + b)³ = a³ + b³ + 3ab(a + b).

I hope you got it.

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