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Find the value of (2.7)³ - …

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Find the value of (2.7)³ - (1.6)³ - (1.1)³ using a suitable identity

Posted by Trishla Jain 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 4 years, 9 months ago

$2.7^3-1.6^3$

$=(2.7-1.6)^3+3(2.7)(1.6)(2.7-1.6)$

$=(1.1)^3+3(2.7)(1.6)(1.1)$

$=(1.1)^3+14.256$

$2.7^3-1.6^3-1.1^3$

$=(1.1)^3+14.256-(1.1)^3$

$=14.256$

1Thank You

ANSWER

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CBSE > Class 09 > Mathematics