[" 8."x^(2)-y^(2)/100=],[" O "(x+y/10)(x-y/10)],[" O "(x+y/100)(x-y/100)],[" (x/100+y)(x/100-y) "],[" (x "/10+y)(x/10=y)]

{:("Column" A ,, "Column" B), (225x^(2) - 625 y^(2) = ,, (a) 25(x-2) (x-2)), (x^(2) - x - y - y^(2) = ,, (b) 25(3x- 5y) (3x + 5y)), (x^(2) - x - y^(2) + y = ,, (x + y) (x - y- 1)), (25x^(2) - 100 x + 100 = ,, (d) (x - y) (x + y -1)), (,,(e) (x + y) (x + y - 1)):}

(x + y) ^ (10) = x ^ (8) y ^ (2)

{:(x - 2y = 8),(5x - 10y = 10):}

The number of terms in (x + y)^(100) (x - y)^(100) is ______

Solve : 100x + 200 y =700 200x+100 y=800

{:((10)/(x + y) - (4)/(x - y)= -2),((15)/(x + y) + (7)/(x - y) = 10):}

{:((10)/(x + y) - (4)/(x - y)= -2),((15)/(x + y) + (7)/(x - y) = 10):}

x^2+y^2-10x-10y+41=0 and x^2+y^2-22x-10y+137=0