100( 6a - 3b )^2 - 81( 3a + 2b )^2 = ( 10( 6a - 3b ))^2 - ( 9( 3a + 2b ))^2 =
= ( 60a - 30b )^2 - ( 27a + 18b )^2 = ( 60a - 30b + 27a + 18b )( 60a - 30b -
- 27a - 18b ) = ( 87a - 12b )( 33a - 48b )
<span>y= -3x^2+6x+7
x=-b/2a=-6/2*(-3)=1
y=-3+6+7=10
вершина 1 10</span>
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х2(1-х)
1) [1 5/44] = [49/44] = 7 / 2[11]
2) [1 41/49] = [90/49] = 3[10] / 7
3) [10 1/12] = [121/12] = 11/2[3]
4) [3 19/50] = [169/50] = 13/5[2]
То, что внутри [ ] - это под корнем.