Math, asked by vishalnayyar2004, 6 months ago

Date
Page 1
Evaluate (99)3
by using suitable indentity
le​

Answers

Answered by Pritideepa
1

Step-by-step explanation:

(99)3=(100-1)3

=300-3

=297.

Hope it help .

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Answered by XxMissPaglixX
1

{\huge{\mathtt{\pink{AnSwEr:-}}}}

<body bgcolor="black"><font color="yellow">

{(99)}^{3} \\ = {(100 - 1)}^{3} \\ = {(a - b)}^{3} \\ = {a}^{3} + {b}^{3} - 3ab(a - b) \\ = {100}^{3} + {1}^{3} - 3.100.1(100 - 1) \\ = 1000000 + 1 - (300 \times 99) \\ = 1000001 - 29700 \\ = 970299(ans)

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