Using suitable identity and evaluate the following (b) 53*47
Answers
Answered by
56
(50+3)(50-3)
using identity (a+b)(a-b)=a-b
(50)2-(3)2
2500-9
2491
using identity (a+b)(a-b)=a-b
(50)2-(3)2
2500-9
2491
Answered by
50
50×47 = (50+3)(50-3)
Using (a-b)(a+b) = a^2 - b^2
So (50)^2 - (3)^2
= 2500 - 9
= 2491
HOPE IT HELPS
Please mark this answer as a brainlist answer if you like the answer please
Using (a-b)(a+b) = a^2 - b^2
So (50)^2 - (3)^2
= 2500 - 9
= 2491
HOPE IT HELPS
Please mark this answer as a brainlist answer if you like the answer please
Similar questions