(x+y-z)^2 - (x-y+z)^2
Solve!!!
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1
Heya friend,
Refer the pic!
Hope it helps..!!!
Refer the pic!
Hope it helps..!!!
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Answered by
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we know a² -b ² =( a + b )(a-b)
use it here
(x+y-z)²-(x-y+z)² = (x+y-z + x-y+z)(x+y-z - x+y-z)
=> (2x)(2y-2z)
use it here
(x+y-z)²-(x-y+z)² = (x+y-z + x-y+z)(x+y-z - x+y-z)
=> (2x)(2y-2z)
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