1.

23. x? -y?-922 +6yz is factorized as _(1) (x+y-32)(x+y+32) i2) (e-y-32)(x-y+22) k(3) (x+y-3z)(x-y+32)(4) (x-2y+32)(x-y+32z)

Answer»

x² - y² - 9z² + 6yz

x² - ( y² + 9z² - 6yz)

x² - ( y - 3z)²

( x - ( y - 3z)) ( x + ( y - 3z))

( x - y + 3z) ( x + y - 3z)

(3) option is correct



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