Question

1:- The sum of first 'n' odd natural numbers is_______.
2:- One's digit in the square of 14 and 36 is _________.
3:- The perfect squares of will never end with _______, ________, _________, and _______.
4:- The squares of even are always_______ integer.
Q5:- The general form of the three standard identities is (x + a)(x + b) = ________

7:- Algebraic expressions are formed by combining and
8:- ab2−b2=_______


9:- Define irreducible factors,​

Answer 1

1. n(n-1)
2.6
3.2,3,7,8
4.positive

This much only I know

Please mark me brainliest

Answer 2

Answer:

1. n²

2. ones digit the square root of 36 is 6

3.1,4,5,and 6

4.even

5.x+c

7. variable

8. 2 (ab)