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Why is 2+2 equal to 2x2, while no other number can do that?

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  • Why is 2+2 equal to 2x2, while no other number can do that?


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Answer #1 | 31/12 2013 02:12
0+0 = 0 and 0 x 0 = 0
Answer #2 | 31/12 2013 02:29
it works with zero
Answer #3 | 31/12 2013 02:34
0+0 = 0 and 0 x 0 = 0 also this conditions satisfies for INFINITY
Answer #4 | 31/12 2013 02:28
Ha ha ha... Its an interesting question.. When we multify with 2 we get double of that number,which equal to the value when the number adding it self.... Here the operational number is also 2... So the values are same... Remember, 0+0=0*0 There is lots of interesting facts in mathematics like this... Keep enjoyinggg....
Answer #5 | 31/12 2013 02:22
Ok so, you know 2+2=4 So when you solve 2x2 you are basically saying 2 twos added on to each othe! For example 6x5 you are saying 6 fives are being added together which is 6+6+6+6+6=30! The more you know :)
Answer #6 | 31/12 2013 02:15
because. 2 + 2 = 2 x 2 4 = 4 prove//
Answer #7 | 31/12 2013 02:20
Dear Maa, Addition means adding numbers. Ex. 1+2=1+1+1=3. so 2+2 is 1+1+1+1=4. Where in multiplication you multiply numbers. Ex. 2*5 = 2+2+2+2+2, you will add 2 five times to get answer. so 2*2 is 2+2, and the answer is 4. I think your doubt is cleared.
Answer #8 | 31/12 2013 02:47
let the number be x. then we require x^2 = 2x ie x(x - 2) = 0 => x = 2 or x = 0
Answer #9 | 31/12 2013 02:52
Why is 2+2 equal to 2x2, while no other number can do that? this is true in Z 2x -x^2 = 0 (2-x)x = 0 so x= 2 or 0 { In N} it is not strictly true, as other systems can be constructed, with this property eg f(a,a,) = g(a,a) for some a It Is Just a nice Coincidence, you need to understand the FIELD axioms for the "WHY" Its A very good Question.
Answer #10 | 03/01 2014 15:11
0 works
Answer #11 | 03/01 2014 17:12
Answer #12 | 01/01 2014 22:05
Try to understand 'Addition' and 'Multiplication' first.
Answer #13 | 31/12 2013 15:23
a^2 = 2a a^2 - 2a = 0 a(a - 2) = 0 a = 0, 2 two numbers 0 and 2
Answer #14 | 31/12 2013 03:20
You are basically looking for solutions to the equation x + x = x*x. We can rewrite this as 2x = x² or x² - 2x = 0. Now factor the left hand side. x(x - 2) = 0, so x = 0 or x = 2 by the 0 factor law. Good observation and good question! ☮
Answer #15 | 31/12 2013 03:27
"Given 2+2 equal to 2x2 when we add 2+2=4 and when multiply 2*2=4 hence proved 2+2=2*2 Kets take 3+3=6 And 3*3=9 Hence no other number can do
Answer #16 | 31/12 2013 03:59
there exist another congruence 1+2+3 = 1.2.3

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