square root of 1+2019x2021
Answers
Answered by
6
Answer:
2019.5001856895.......... is ur. answer mate ..........
Answered by
1
Answer:
2020
Step-by-step explanation:
Simplify the following:
sqrt(2019×2021 + 1)
2019×2021 = 4080399:
sqrt(4080399 + 1)
1 + 4080399 = 4080400:
sqrt(4080400)
sqrt(4080400) = sqrt(16×255025) = sqrt(2^4×505^2):
sqrt(2^4 505^2)
sqrt(2^4 505^2) = sqrt(2^4) sqrt(505^2) = 2^(4/2)×505^(2/2) = 4×505:
4×505
4×505 = 2020:
Answer:
2020
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