Question

evaluate 46^3+34^3 please this is urgent

Answer 1

Given 46^3 + 34^3

= > (40 + 6)^3 + (30 + 4)^3.

= > 40^3 + 6^3 + 3 * 40 * 6(40 + 6) + 30^3 + 4^3 + 3 * 30 * 4(30 + 4)

= > 64000 + 216 + 720(46) + 27000 + 64 + 12240

= > 64000 + 216 + 33120 + 27000 + 64 + 12240

= > 136640.


Hope this helps!

Answer 2

Answer :

Now,

46^3 + 34^3

= (46 + 34) (46^2 - 46 × 34 + 34^2)

= 80 × (2116 - 1564 + 1156)

= 80 × 1708

= 136640

Identity Rule :

a^3 + b^3

= (a + b) (a^2 - ab + b^2)

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