Find the square of 29 using the formula (a - b)square = a square + b square - 2ab.
Answers
Answered by
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
Answered by
0
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)
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