Question

Please answer it detaily

Answer 1

Answer:

Here u will get the correct answer

Step-by-step explanation:

Here

i) (1000-998)^2

Now from here put (a-b) ^2 property...

Thank u!!

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Answer 2

Answer:

i)996004

ii)39975

Step-by-step explanation:

i) Squaring means multiplying a number by itself, for example, 1x1=1, 2x2=4, 3x3=9, etc.

So 998 squared is 998x998

Using the multiplication column method, in which you do as follows:

998 1)8x8=64

x 998 2)8x9=72 (+6=78)

-------- 3)8x9=72 (+7=79)

7984

....

--------

996004

ii) You can use this same method for 205x195

The answer being 39975.

For information on how to do long multiplication, you may use this page-

https://www.ducksters.com/kidsmath/long_multiplication.php