Math, asked by moumita68, 11 months ago

find the cube of 69 of the following using (a+b)

Answers

Answered by Berrita

0

Answer:

(60+ 9)

= 3600 + 81+ 1080

=4761

I hope this helps

mark me

Answered by teej21

1

Answer:

328509

Step-by-step explanation:

= (60 )^3+ (9)^3 + 3 × 60× 9 (60+9)

=216000+729+111780

=328509

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