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reshmi

· started a discussion

· 1 Months ago

doubt in step (Question: 596878.0 )

in second last step where does that 2 gone?

Question:
If n is a integer then 1 + n (n + 1) (n + 2) (n + 3) is a
Options:
A) Prime No.
B) Perfect Square
C) Can't say
D) None of these
Solution:


Knowledge Expert

· commented

· 1 Months ago

Dear student
We have subtracted 1 from both side
and applied the identity of a^2 -b^2.

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