Math, asked by shreyamishra8374, 11 months ago

successive subtraction. [Using n^3 - (n- 1)^3 = 1 + 3n(n-1)] a. (10)^3 - (9)^3

Answers

Answered by anushkamishra35

1

Answer:

1261

Step-by-step explanation:

=(10)3- (9)3

=1000-729

=271

ANSWER OF B IS

=(21)3 - (20)3

=9261 - 8000

=1261

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