Answer:
18 18x1 1
--- ------- = ----
36 18x2 2
81 9x9 9
---- ------ = --- or 1 1/2
72 9x8 8
9m + 9n 9xm+9xn m+n
----------- = -------------- = --------
9r-9x 9xr -9xx r-x
m²-9 mxm-3x3 m-3
-------= --------------- =
m+3 mx1+3x1
x²+3x-4 x×x+3x1-2x2 3x-4
---------- = ----------------- = ---------
x²+4x-5 x×x+2x2-5x1 4x-5
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Answer:
18 18x1 1
--- ------- = ----
36 18x2 2
81 9x9 9
---- ------ = --- or 1 1/2
72 9x8 8
9m + 9n 9xm+9xn m+n
----------- = -------------- = --------
9r-9x 9xr -9xx r-x
m²-9 mxm-3x3 m-3
-------= --------------- =
m+3 mx1+3x1
x²+3x-4 x×x+3x1-2x2 3x-4
---------- = ----------------- = ---------
x²+4x-5 x×x+2x2-5x1 4x-5
#CarryOnLearning