Without calculating square of the number,find the value of(248)square -(247)square
Answers
Answered by
13
a²-b²=(a+b)(a-b)
248²-247²
=(248+247)(248-247)
=(495)(1)
=495
495 is the answer
hope helped!!!
248²-247²
=(248+247)(248-247)
=(495)(1)
=495
495 is the answer
hope helped!!!
Answered by
6
Hey Friend !
248² - 247² = ?
We can simplify this question by using an algebraic identity :
a² - b² = (a+b) (a-b)
248² - 247² = [ 248+247] [248-247]
= 495 x 1
= 495
Hence ,
248² - 247² = 495
248² - 247² = ?
We can simplify this question by using an algebraic identity :
a² - b² = (a+b) (a-b)
248² - 247² = [ 248+247] [248-247]
= 495 x 1
= 495
Hence ,
248² - 247² = 495
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