Math, asked by Herobrine, 1 year ago

93³ evaluate using identities

aman240292: 93^3=804357

Herobrine: thank you bhai

aman240292: For cross checking bro

aman240292: their methods r correct ..but calculation mistakes

Herobrine: no problem brother

Herobrine: it's ok

Answers

Answered by rishikapaul21

$(100 - 7) ^{3}$

$(100) ^{3} - (7) ^{3} - 3(100) ^{2} (7) + 3(100)(7) ^{2}$

1000000 - 343 -2100000 +147

804357

rishikapaul21: thnx

aman240292: still wrong

rishikapaul21: tell me

Herobrine: I m going to get the answer.wait......let me comment or messageu

aman240292: 805347 is wt u hv written

Herobrine: 805347 is the answer?????

aman240292: 804357 is the ans

Herobrine: yes,then it is correct.thanks bro

aman240292: welcome buddy

Herobrine: ur welcome too big brother

Answered by Shanaya331990

93³=(90+3)³

= (90)³+(3)³+3 X 90 X 3(90+3)

= 729000 + 27 + 810(90+3)

= 1968300+ 72900+2430

=20,43,630

hope it's help you

#shanaya

[identity :- (a+b)³= a³+b³3ab(a+b)]

aman240292: 93^3=804357

Herobrine: I like ur direct answer

Herobrine: thnkxxxxxx

Herobrine: thankssss

Herobrine: it is a correct answer.thanks

Previous Question

Next Question