Question

plz solve 3rd one which is names as V in roman no.
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Answer 1

Answer:

683

Step-by-step explanation:

Use formula

(a^2 - b^2) =(a + b) (a - b)

Here,

(342)^2 - (341)^2

=(342 + 341) (342 -341)

=(683) *(1)

=683

Hope it helps :-)

Answer 2

The answer is given down and I had put a image see