pls solve above question using identity a^2-b^2=(a+b)(a-b)
Attachments:
Answers
Answered by
1
(23.71+16.29)(23.71-16.29)=40*7.42=296.8
boss7817:
its totally wrong
correct answer is 400 but i dont know steps
tell me steps
anyone ans this ques correctly fast pls
Answered by
0
Step-by-step explanation:
(23.71 × 23.71 - 16.29 × 16.29)/0.742
= (23.71² - 16.29²)/0.742
= (23.71 + 16.29)(23.71 - 16.29)/0.742
= (7.42 × 40)/0.742
= 10 × 40
= 400
Similar questions