using the formula (a+b) ²=(a²+2ab+b²) evaluate (630)²
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Answered by
23
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( 600+30 ) ^2 = 360000+900+2*18000
360900+36000
=396900
HOPE IT HELPS YOU
( 600+30 ) ^2 = 360000+900+2*18000
360900+36000
=396900
HOPE IT HELPS YOU
Answered by
34
Hi there ‼
To evaluate : ( 630 )²
By using this formula :-
(a + b)² = a² + 2ab + b²
We have to find (630)² :
First I'm splitting 630 i.e., 600 + 30 which is equal to 630 .
Now, I'm starting :
(600 + 30)²
= (600)² + 2(600)(30) + (30)²
= 360000 + 36000 + 900
= 396900
To evaluate : ( 630 )²
By using this formula :-
(a + b)² = a² + 2ab + b²
We have to find (630)² :
First I'm splitting 630 i.e., 600 + 30 which is equal to 630 .
Now, I'm starting :
(600 + 30)²
= (600)² + 2(600)(30) + (30)²
= 360000 + 36000 + 900
= 396900
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