Question

problems of special product

Answer 1

like what ? Can you give an example??

Answer 2

What are you looking for guys??
Asker is offline..
Ha ha ha..

Answer 3

special products are used in doing fast mental calculations.
example::
43*57
The key to these mental “tricks” is to rewrite each number as a sum or difference of numbers you know how to square easily.

(a) Rewrite as 43=(50-7) and 57=(50+7)
noe,43*57=(50-7)(50+7)=(50)^2-(7)^2=2500-49=2451

Answer 4

Or you can also use this:

Find : \(59^{2}\)

\[= (60 - 1)^2 = 3600 + 1 - 120 = 3481\]

Answer 5

I can give u another method for finding sqrt ;i.e.
(25)^2=