evaluate using a suitable identity -13 cube -8 cube + 21 cube
Answers
Answered by
19
hay!!
Dear friend -
here is ur answer
_______________________________________
(-13)³-(8)³+(21)³
=> -2197-512+9261
=> 5832
I hope it's help you
Dear friend -
here is ur answer
_______________________________________
(-13)³-(8)³+(21)³
=> -2197-512+9261
=> 5832
I hope it's help you
PardhanNaveenTandon:
thanku dear
Answered by
16
Heya !!!
(13)³ = 2197
(8)³ = 512
And,
(21)³ = 9261.
Therefore,
(-13)³ - (8)³ + (21)³
=> -2197 - 512 + 9261
=> 9261 - (2197 + 512)
=> 9261 - (2709)
=> 9261 - 2709
=> 6552.
HOPE IT WILL HELP YOU...... :-)..
(13)³ = 2197
(8)³ = 512
And,
(21)³ = 9261.
Therefore,
(-13)³ - (8)³ + (21)³
=> -2197 - 512 + 9261
=> 9261 - (2197 + 512)
=> 9261 - (2709)
=> 9261 - 2709
=> 6552.
HOPE IT WILL HELP YOU...... :-)..
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