(a-b)²= a ²+ b²- 2ab
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8
Hey !
_______________
YES !
➡( a - b )2 = a2 + b2 - 2ab
Prove --- >
( a - b )2 = ( a - b ) ( a - b )
==> a ( a - b ) - b ( a - b )
=> a2 - ab -ab + b2
==> a2 + b2 -2ab
Hence proved
Hence the formula is
correct
_________________________
Hope it helps !☺
_______________
YES !
➡( a - b )2 = a2 + b2 - 2ab
Prove --- >
( a - b )2 = ( a - b ) ( a - b )
==> a ( a - b ) - b ( a - b )
=> a2 - ab -ab + b2
==> a2 + b2 -2ab
Hence proved
Hence the formula is
correct
_________________________
Hope it helps !☺
Shanklu:
usko vo prove kaise kare vo chahia hoga
Answered by
4
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