Math, asked by Nandini2885, 1 year ago

solve by using identities: 998 square

Answers

Answered by Avyan20
9
(1000-2)²
= (1000)² +(2)²-2*1000*2
= 1000000 + 4 - 4000=
= 996004
plez mark brainliest.. ☺

Nandini2885: i just wants procedure
Avyan20: hey nandni ples mark brainliest
Nandini2885: i knew the ans
Nandini2885: ya sure
Avyan20: :-)thnx
mayank331: yes its right
Avyan20: yr ples mark on
Avyan20: brainliest *
mayank331: how
Nandini2885: who repored ur answer
Answered by sushant2505
11
Hi...☺

Here is your answer...✌

 IDENTITY  \: \:USED :\\ (a - b) {}^{2} = {a}^{2} + {b}^{2} - 2ab \\ \\ (998) {}^{2} = {(1000 - 2)}^{2} \\ \\ = {1000}^{2} + {2}^{2} - 2 \times 1000 \times 2 \\ \\ = 1000000 + 4 - 4000 \\ \\ = 996004
Similar questions