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If we add first n odd numbers, we get ______(a) n(b) n-1(c) n^2(d) n^2-1This question was posed to me during an interview.My doubt stems from Patterns in Squares in division Squares and Square Roots of Mathematics – Class 8

Answer»

The CORRECT option is (c) n^2

Easy explanation: If we add FIRST n odd numbers we get n^2. For example

1+3+5=9=3^2, here we have added first three odd numbers and we get 3^2.

Hence, n^2 WOULD be the correct ANSWER and the other options would be INCORRECT.



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