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Is 0 4 Undefined

0/ 4=0 So 0/4 is defined. 0/0 is undefined. If substituting a value into an expression gives 0/0, there is... View Article

Find The Sum Of 1 2 2 2 3 2 4 2 5 2 6 2

The nth term is =(−1)n+1n2 The sum is S=12−22+32−42+52−62+……..+(n−1)2−n2, ∀n ∈ N If n is even S=(12−22)+(32−42)+(52−62)+……+((n−1)2−n2) S=(1−2)(1+2)+(3−4)(3+4)+(5−6)(5+6)+…+((n−1−n)(n−1+n) S=(−1)(1+2)+(−1)(3+4)+(−1)(5+6)+….+((−1)(n−1+n) S=(−1)((1+2)+(3+4)+(5+6)+….+(n−1)+n)... View Article