Формула:
(а±b)²=a²±2ab+b²
1)(2m+1)²=4m²+4m+1
2)(4x-3)²=16x²-24x+9
3)(5m-4n)²=25m²-40mn+16n²
4)(10c+7d)²=100c²+140cd+49d²
5)(4x-1/8y)²=16x²-xy+1/64y²
6)(0,3a+0,9b)²=0,09a²+0,54ab+0,81b²
7)(c²-6)²=c⁴-12c²+36
8)(15+k²)²=225+30k²+k⁴
9)(m²-3n)²=m⁴-6m²n+9n²
10)(m⁴-n³)²=m⁸-2m⁴n³+n⁶
11)(5a⁴-2a⁷)²=25a⁸-20a⁴a⁷+4a¹⁴=25a⁸-20a¹¹+4a¹⁴
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Answers & Comments
Формула:
(а±b)²=a²±2ab+b²
1)(2m+1)²=4m²+4m+1
2)(4x-3)²=16x²-24x+9
3)(5m-4n)²=25m²-40mn+16n²
4)(10c+7d)²=100c²+140cd+49d²
5)(4x-1/8y)²=16x²-xy+1/64y²
6)(0,3a+0,9b)²=0,09a²+0,54ab+0,81b²
7)(c²-6)²=c⁴-12c²+36
8)(15+k²)²=225+30k²+k⁴
9)(m²-3n)²=m⁴-6m²n+9n²
10)(m⁴-n³)²=m⁸-2m⁴n³+n⁶
11)(5a⁴-2a⁷)²=25a⁸-20a⁴a⁷+4a¹⁴=25a⁸-20a¹¹+4a¹⁴