Question

Find the square of 29 using the formula (a - b)square = a square + b square - 2ab.

Answer 1

Answer:

29 can be written as :- (30 - 1)

(30-1)²

30² + 1² - 2(30)(1)

900 + 1 - 60

841

Hope it helps....

pls mark it the brainliest

Answer 2

Answer:841

Step-by-step explanation: it's simple dude!:-)

All you need to do is break 29 as (30-1)

Then on applying the formula....

a^2 +b^2 -2ab

=>(30)^2 +(1)^2 -2*30*1

=> 900+1-60

=> 901 - 60

=> 841 (Ans)