Question

Fill in the blanks:

(1) (a+b)² = a²+__ +b²

(2) (a-b)? = a²- __+b²

(3) a²-b² = (a+b) X (___)

(4) Speed X___= Distance

(5) 1 metre =___ = cm.

(6) Profit = Selling price - ___

(7) 36a?-1 = (–) X (6a+1) =

(8) 40% of 400 = ___​

Answer 1

1) 2ab

2)2ab

3)(a-b)

4)Time

5)100cm

6)Cost price

7)6

8)160

Answer 2

Answer:

1) (a + b)² = a²+2ab+b²

2) (a - b)² = a²-2ab+b²

3) a² - b² = (a+b) (a-b)

4) Speed x time = distance

5) 1 metre =100 cm

6) profit = selling price - cost price

7)SORRY FOR 7TH QUESTION I DON'T KNOW

8) 40% of 400 = 40/100 x 400

= 160