Выполните умножение:
(a^2-b^2)(a^2+b^2)
(5x^2-3y)(5x^2+3y)
(3mn+1)(3mn-1)
(4pq+3)(3-4pq)
(0.1x^#-0.3y)(0.1x^3-0.3y)
(x^3+y^3)(x^3-y^3)
(4a^2+6b)(4a^2-6b)
(5-7xy)(5+7xy)
(2ab-5)(5+2ab)
Выполните умножение:
(a^2-b^2)(a^2+b^2)
(5x^2-3y)(5x^2+3y)
(3mn+1)(3mn-1)
(4pq+3)(3-4pq)
(0.1x^#-0.3y)(0.1x^3-0.3y)
(x^3+y^3)(x^3-y^3)
(4a^2+6b)(4a^2-6b)
(5-7xy)(5+7xy)
(2ab-5)(5+2ab)
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Answers & Comments
(a^2-b^2)(a^2+b^2)=а^4-b^4
(5x^2-3y)(5x^2+3y)=25x^4-9y^2
(3mn+1)(3mn-1)=9m^2*n^2-1
(4pq+3)(3-4pq)=9-16(pq)^2
(x^3+y^3)(x^3-y^3)=x^6-y^6
(4a^2+6b)(4a^2-6b)=16a^4-36b^2
(5-7xy)(5+7xy)=25-49(xy)^2
(2ab-5)(5+2ab)=4(ab)^2-25
Формулф разности квадратов: (a-b)(a+b)=a^2-b^2