Proszę o rozpisanie.
Zastosuj wzory skróconego mnożenia:
(a+2ka-2)=
(10x+1)(10x-1)=
(4a-2b)(4a+2b)=
(0,5 +3q)(0,5t-3q)=
(2a^2-0,1)(2a^2+0,1)=
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(a+2)(a-2)=a²-4
(10x+1)(10x-1)=100x²-1
(4a-2b)(4a+2b)=16a²-4b²
(0,5t +3q)(0,5t-3q)=0,25t²-9q²
(2a²-0,1)(2a²+0,1)=4a⁴-0,01
(a + b)(a - b) = a² - b² ----------- wzór
(a+2)(a-2)= a² - 2² = a² - 4
(10x+1)(10x-1)=(10x)² - 1² = 100x² - 1
(4a-2b)(4a+2b)= (4a)² - (2b)² = 16a² - 4b²
(0,5 +3q)(0,5t-3q)= (1/2t)² - (3q)² = 1/4t² - 9q²
(2a^2-0,1)(2a^2+0,1)= (2a²)² - 0,1² = 4a^4 - 0,01